Home / 115,164,278.13-158,926,715.79-62,953,526.55

Finding the Fourth Proportional to 115,164,278.13, 158,926,715.79 and 62,953,526.55

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Solution

The fourth proportional to 115,164,278.13, 158,926,715.79 and 62,953,526.55 is: 86,875,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,164,278.13 : 158,926,715.79 = 62,953,526.55 : x
  2. Step 2: Convert to fraction form
    115,164,278.13/158,926,715.79 = 62,953,526.55/x
  3. Step 3: Cross multiply
    115,164,278.13x = 158,926,715.79 × 62,953,526.55
  4. Step 4: Simplify right side
    115,164,278.13x = 10,004,997,221,990,068
  5. Step 5: Solve for x
    x = 10,004,997,221,990,068/115,164,278.13
  6. Step 6: Final answer
    x = 86,875,873.18

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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.