Home / 56,657,159.30-85,111,710.15-54,515,648.90

Finding the Fourth Proportional to 56,657,159.30, 85,111,710.15 and 54,515,648.90

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Solution

The fourth proportional to 56,657,159.30, 85,111,710.15 and 54,515,648.90 is: 81,894,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,657,159.30 : 85,111,710.15 = 54,515,648.90 : x
  2. Step 2: Convert to fraction form
    56,657,159.30/85,111,710.15 = 54,515,648.90/x
  3. Step 3: Cross multiply
    56,657,159.30x = 85,111,710.15 × 54,515,648.90
  4. Step 4: Simplify right side
    56,657,159.30x = 4,639,920,107,815,967
  5. Step 5: Solve for x
    x = 4,639,920,107,815,967/56,657,159.30
  6. Step 6: Final answer
    x = 81,894,683.13

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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.