Home / 142,087,801.60-213,068,716.80-65,371,340.80

Finding the Fourth Proportional to 142,087,801.60, 213,068,716.80 and 65,371,340.80

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Solution

The fourth proportional to 142,087,801.60, 213,068,716.80 and 65,371,340.80 is: 98,028,032.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,087,801.60 : 213,068,716.80 = 65,371,340.80 : x
  2. Step 2: Convert to fraction form
    142,087,801.60/213,068,716.80 = 65,371,340.80/x
  3. Step 3: Cross multiply
    142,087,801.60x = 213,068,716.80 × 65,371,340.80
  4. Step 4: Simplify right side
    142,087,801.60x = 13,928,587,699,751,486
  5. Step 5: Solve for x
    x = 13,928,587,699,751,486/142,087,801.60
  6. Step 6: Final answer
    x = 98,028,032.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.