Home / 85,164,013.30-127,746,019.95-84,268,218.10

Finding the Fourth Proportional to 85,164,013.30, 127,746,019.95 and 84,268,218.10

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Solution

The fourth proportional to 85,164,013.30, 127,746,019.95 and 84,268,218.10 is: 126,402,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,164,013.30 : 127,746,019.95 = 84,268,218.10 : x
  2. Step 2: Convert to fraction form
    85,164,013.30/127,746,019.95 = 84,268,218.10/x
  3. Step 3: Cross multiply
    85,164,013.30x = 127,746,019.95 × 84,268,218.10
  4. Step 4: Simplify right side
    85,164,013.30x = 10,764,929,470,553,550
  5. Step 5: Solve for x
    x = 10,764,929,470,553,550/85,164,013.30
  6. Step 6: Final answer
    x = 126,402,327.15

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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.