Home / 119,882,776.29-165,438,229.26-64,878,632.79

Finding the Fourth Proportional to 119,882,776.29, 165,438,229.26 and 64,878,632.79

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Solution

The fourth proportional to 119,882,776.29, 165,438,229.26 and 64,878,632.79 is: 89,532,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,776.29 : 165,438,229.26 = 64,878,632.79 : x
  2. Step 2: Convert to fraction form
    119,882,776.29/165,438,229.26 = 64,878,632.79/x
  3. Step 3: Cross multiply
    119,882,776.29x = 165,438,229.26 × 64,878,632.79
  4. Step 4: Simplify right side
    119,882,776.29x = 10,733,406,125,587,372
  5. Step 5: Solve for x
    x = 10,733,406,125,587,372/119,882,776.29
  6. Step 6: Final answer
    x = 89,532,512.16

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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.