Home / 83,976,193.60-125,885,032.80-45,581,108.80

Finding the Fourth Proportional to 83,976,193.60, 125,885,032.80 and 45,581,108.80

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Solution

The fourth proportional to 83,976,193.60, 125,885,032.80 and 45,581,108.80 is: 68,328,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,976,193.60 : 125,885,032.80 = 45,581,108.80 : x
  2. Step 2: Convert to fraction form
    83,976,193.60/125,885,032.80 = 45,581,108.80/x
  3. Step 3: Cross multiply
    83,976,193.60x = 125,885,032.80 × 45,581,108.80
  4. Step 4: Simplify right side
    83,976,193.60x = 5,737,979,376,348,368
  5. Step 5: Solve for x
    x = 5,737,979,376,348,368/83,976,193.60
  6. Step 6: Final answer
    x = 68,328,643.28

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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.