Home / 102,129,984,665.70-153,194,976,998.55-55,111,486,208.10

Finding the Fourth Proportional to 102,129,984,665.70, 153,194,976,998.55 and 55,111,486,208.10

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Solution

The fourth proportional to 102,129,984,665.70, 153,194,976,998.55 and 55,111,486,208.10 is: 82,667,229,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,129,984,665.70 : 153,194,976,998.55 = 55,111,486,208.10 : x
  2. Step 2: Convert to fraction form
    102,129,984,665.70/153,194,976,998.55 = 55,111,486,208.10/x
  3. Step 3: Cross multiply
    102,129,984,665.70x = 153,194,976,998.55 × 55,111,486,208.10
  4. Step 4: Simplify right side
    102,129,984,665.70x = 8,442,802,862,005,783,887,872
  5. Step 5: Solve for x
    x = 8,442,802,862,005,783,887,872/102,129,984,665.70
  6. Step 6: Final answer
    x = 82,667,229,312.15

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Double scale
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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.