Home / 55,367,628.60-83,051,442.90-42,453,612.30

Finding the Fourth Proportional to 55,367,628.60, 83,051,442.90 and 42,453,612.30

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Solution

The fourth proportional to 55,367,628.60, 83,051,442.90 and 42,453,612.30 is: 63,680,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367,628.60 : 83,051,442.90 = 42,453,612.30 : x
  2. Step 2: Convert to fraction form
    55,367,628.60/83,051,442.90 = 42,453,612.30/x
  3. Step 3: Cross multiply
    55,367,628.60x = 83,051,442.90 × 42,453,612.30
  4. Step 4: Simplify right side
    55,367,628.60x = 3,525,833,757,832,187.50
  5. Step 5: Solve for x
    x = 3,525,833,757,832,187.50/55,367,628.60
  6. Step 6: Final answer
    x = 63,680,418.45

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Double scale
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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.