Home / 101,499,141.20-140,065,068.28-55,088,398.64

Finding the Fourth Proportional to 101,499,141.20, 140,065,068.28 and 55,088,398.64

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Solution

The fourth proportional to 101,499,141.20, 140,065,068.28 and 55,088,398.64 is: 76,019,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499,141.20 : 140,065,068.28 = 55,088,398.64 : x
  2. Step 2: Convert to fraction form
    101,499,141.20/140,065,068.28 = 55,088,398.64/x
  3. Step 3: Cross multiply
    101,499,141.20x = 140,065,068.28 × 55,088,398.64
  4. Step 4: Simplify right side
    101,499,141.20x = 7,715,960,316,947,459
  5. Step 5: Solve for x
    x = 7,715,960,316,947,459/101,499,141.20
  6. Step 6: Final answer
    x = 76,019,956.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.