Home / 145,156,710.60-217,593,348.30-129,851,209.80

Finding the Fourth Proportional to 145,156,710.60, 217,593,348.30 and 129,851,209.80

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Solution

The fourth proportional to 145,156,710.60, 217,593,348.30 and 129,851,209.80 is: 194,650,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,710.60 : 217,593,348.30 = 129,851,209.80 : x
  2. Step 2: Convert to fraction form
    145,156,710.60/217,593,348.30 = 129,851,209.80/x
  3. Step 3: Cross multiply
    145,156,710.60x = 217,593,348.30 × 129,851,209.80
  4. Step 4: Simplify right side
    145,156,710.60x = 28,254,759,521,187,776
  5. Step 5: Solve for x
    x = 28,254,759,521,187,776/145,156,710.60
  6. Step 6: Final answer
    x = 194,650,039.98

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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.