Home / 102,129,984,666.20-153,194,976,999.30-55,111,486,208.60

Finding the Fourth Proportional to 102,129,984,666.20, 153,194,976,999.30 and 55,111,486,208.60

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Solution

The fourth proportional to 102,129,984,666.20, 153,194,976,999.30 and 55,111,486,208.60 is: 82,667,229,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,129,984,666.20 : 153,194,976,999.30 = 55,111,486,208.60 : x
  2. Step 2: Convert to fraction form
    102,129,984,666.20/153,194,976,999.30 = 55,111,486,208.60/x
  3. Step 3: Cross multiply
    102,129,984,666.20x = 153,194,976,999.30 × 55,111,486,208.60
  4. Step 4: Simplify right side
    102,129,984,666.20x = 8,442,802,862,123,715,133,440
  5. Step 5: Solve for x
    x = 8,442,802,862,123,715,133,440/102,129,984,666.20
  6. Step 6: Final answer
    x = 82,667,229,312.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.