Home / 115,613,582.28-159,532,079.64-63,388,875.18

Finding the Fourth Proportional to 115,613,582.28, 159,532,079.64 and 63,388,875.18

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Solution

The fourth proportional to 115,613,582.28, 159,532,079.64 and 63,388,875.18 is: 87,468,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,613,582.28 : 159,532,079.64 = 63,388,875.18 : x
  2. Step 2: Convert to fraction form
    115,613,582.28/159,532,079.64 = 63,388,875.18/x
  3. Step 3: Cross multiply
    115,613,582.28x = 159,532,079.64 × 63,388,875.18
  4. Step 4: Simplify right side
    115,613,582.28x = 10,112,559,083,505,778
  5. Step 5: Solve for x
    x = 10,112,559,083,505,778/115,613,582.28
  6. Step 6: Final answer
    x = 87,468,607.79

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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.