Home / 132,645,755,612.34-198,766,169,006.67-78,756,772,873.95

Finding the Fourth Proportional to 132,645,755,612.34, 198,766,169,006.67 and 78,756,772,873.95

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Solution

The fourth proportional to 132,645,755,612.34, 198,766,169,006.67 and 78,756,772,873.95 is: 118,014,948,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,645,755,612.34 : 198,766,169,006.67 = 78,756,772,873.95 : x
  2. Step 2: Convert to fraction form
    132,645,755,612.34/198,766,169,006.67 = 78,756,772,873.95/x
  3. Step 3: Cross multiply
    132,645,755,612.34x = 198,766,169,006.67 × 78,756,772,873.95
  4. Step 4: Simplify right side
    132,645,755,612.34x = 15,654,182,027,483,469,053,952
  5. Step 5: Solve for x
    x = 15,654,182,027,483,469,053,952/132,645,755,612.34
  6. Step 6: Final answer
    x = 118,014,948,576.52

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1.5x scale

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.