Home / 56,657,156.80-85,111,706.40-54,515,646.40

Finding the Fourth Proportional to 56,657,156.80, 85,111,706.40 and 54,515,646.40

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Solution

The fourth proportional to 56,657,156.80, 85,111,706.40 and 54,515,646.40 is: 81,894,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,657,156.80 : 85,111,706.40 = 54,515,646.40 : x
  2. Step 2: Convert to fraction form
    56,657,156.80/85,111,706.40 = 54,515,646.40/x
  3. Step 3: Cross multiply
    56,657,156.80x = 85,111,706.40 × 54,515,646.40
  4. Step 4: Simplify right side
    56,657,156.80x = 4,639,919,690,603,017
  5. Step 5: Solve for x
    x = 4,639,919,690,603,017/56,657,156.80
  6. Step 6: Final answer
    x = 81,894,679.38

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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.