Home / 72,452,095.79-108,403,905.20-42,924,145.10

Finding the Fourth Proportional to 72,452,095.79, 108,403,905.20 and 42,924,145.10

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Solution

The fourth proportional to 72,452,095.79, 108,403,905.20 and 42,924,145.10 is: 64,223,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,452,095.79 : 108,403,905.20 = 42,924,145.10 : x
  2. Step 2: Convert to fraction form
    72,452,095.79/108,403,905.20 = 42,924,145.10/x
  3. Step 3: Cross multiply
    72,452,095.79x = 108,403,905.20 × 42,924,145.10
  4. Step 4: Simplify right side
    72,452,095.79x = 4,653,144,955,454,804
  5. Step 5: Solve for x
    x = 4,653,144,955,454,804/72,452,095.79
  6. Step 6: Final answer
    x = 64,223,745.43

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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.