Home / 158,291,862.50-218,442,790.97-87,732,028.16

Finding the Fourth Proportional to 158,291,862.50, 218,442,790.97 and 87,732,028.16

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Solution

The fourth proportional to 158,291,862.50, 218,442,790.97 and 87,732,028.16 is: 121,070,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,291,862.50 : 218,442,790.97 = 87,732,028.16 : x
  2. Step 2: Convert to fraction form
    158,291,862.50/218,442,790.97 = 87,732,028.16/x
  3. Step 3: Cross multiply
    158,291,862.50x = 218,442,790.97 × 87,732,028.16
  4. Step 4: Simplify right side
    158,291,862.50x = 19,164,429,089,494,468
  5. Step 5: Solve for x
    x = 19,164,429,089,494,468/158,291,862.50
  6. Step 6: Final answer
    x = 121,070,210.35

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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.