Home / 142,088,212.60-213,132,318.90-124,515,230.20

Finding the Fourth Proportional to 142,088,212.60, 213,132,318.90 and 124,515,230.20

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Solution

The fourth proportional to 142,088,212.60, 213,132,318.90 and 124,515,230.20 is: 186,772,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,088,212.60 : 213,132,318.90 = 124,515,230.20 : x
  2. Step 2: Convert to fraction form
    142,088,212.60/213,132,318.90 = 124,515,230.20/x
  3. Step 3: Cross multiply
    142,088,212.60x = 213,132,318.90 × 124,515,230.20
  4. Step 4: Simplify right side
    142,088,212.60x = 26,538,219,750,893,312
  5. Step 5: Solve for x
    x = 26,538,219,750,893,312/142,088,212.60
  6. Step 6: Final answer
    x = 186,772,845.30

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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.