Home / 145,156,961.60-217,593,724.80-129,851,460.80

Finding the Fourth Proportional to 145,156,961.60, 217,593,724.80 and 129,851,460.80

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Solution

The fourth proportional to 145,156,961.60, 217,593,724.80 and 129,851,460.80 is: 194,650,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,961.60 : 217,593,724.80 = 129,851,460.80 : x
  2. Step 2: Convert to fraction form
    145,156,961.60/217,593,724.80 = 129,851,460.80/x
  3. Step 3: Cross multiply
    145,156,961.60x = 217,593,724.80 × 129,851,460.80
  4. Step 4: Simplify right side
    145,156,961.60x = 28,254,863,026,193,188
  5. Step 5: Solve for x
    x = 28,254,863,026,193,188/145,156,961.60
  6. Step 6: Final answer
    x = 194,650,416.45

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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.