Home / 52,168,340.10-78,221,406.15-31,988,064.90

Finding the Fourth Proportional to 52,168,340.10, 78,221,406.15 and 31,988,064.90

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Solution

The fourth proportional to 52,168,340.10, 78,221,406.15 and 31,988,064.90 is: 47,963,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,168,340.10 : 78,221,406.15 = 31,988,064.90 : x
  2. Step 2: Convert to fraction form
    52,168,340.10/78,221,406.15 = 31,988,064.90/x
  3. Step 3: Cross multiply
    52,168,340.10x = 78,221,406.15 × 31,988,064.90
  4. Step 4: Simplify right side
    52,168,340.10x = 2,502,151,416,495,459
  5. Step 5: Solve for x
    x = 2,502,151,416,495,459/52,168,340.10
  6. Step 6: Final answer
    x = 47,963,025.31

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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.