Home / 151,331,319.40-226,996,979.10-74,803,815.40

Finding the Fourth Proportional to 151,331,319.40, 226,996,979.10 and 74,803,815.40

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Solution

The fourth proportional to 151,331,319.40, 226,996,979.10 and 74,803,815.40 is: 112,205,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,331,319.40 : 226,996,979.10 = 74,803,815.40 : x
  2. Step 2: Convert to fraction form
    151,331,319.40/226,996,979.10 = 74,803,815.40/x
  3. Step 3: Cross multiply
    151,331,319.40x = 226,996,979.10 × 74,803,815.40
  4. Step 4: Simplify right side
    151,331,319.40x = 16,980,240,120,954,060
  5. Step 5: Solve for x
    x = 16,980,240,120,954,060/151,331,319.40
  6. Step 6: Final answer
    x = 112,205,723.10

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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.