Home / 81,653,205,740.10-122,479,808,610.15-65,123,264,876.10

Finding the Fourth Proportional to 81,653,205,740.10, 122,479,808,610.15 and 65,123,264,876.10

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Solution

The fourth proportional to 81,653,205,740.10, 122,479,808,610.15 and 65,123,264,876.10 is: 97,684,897,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,653,205,740.10 : 122,479,808,610.15 = 65,123,264,876.10 : x
  2. Step 2: Convert to fraction form
    81,653,205,740.10/122,479,808,610.15 = 65,123,264,876.10/x
  3. Step 3: Cross multiply
    81,653,205,740.10x = 122,479,808,610.15 × 65,123,264,876.10
  4. Step 4: Simplify right side
    81,653,205,740.10x = 7,976,285,018,092,830,982,144
  5. Step 5: Solve for x
    x = 7,976,285,018,092,830,982,144/81,653,205,740.10
  6. Step 6: Final answer
    x = 97,684,897,314.15

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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.