Home / 56,520,404.70-84,780,607.05-42,171,497.70

Finding the Fourth Proportional to 56,520,404.70, 84,780,607.05 and 42,171,497.70

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Solution

The fourth proportional to 56,520,404.70, 84,780,607.05 and 42,171,497.70 is: 63,257,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,520,404.70 : 84,780,607.05 = 42,171,497.70 : x
  2. Step 2: Convert to fraction form
    56,520,404.70/84,780,607.05 = 42,171,497.70/x
  3. Step 3: Cross multiply
    56,520,404.70x = 84,780,607.05 × 42,171,497.70
  4. Step 4: Simplify right side
    56,520,404.70x = 3,575,325,175,213,679
  5. Step 5: Solve for x
    x = 3,575,325,175,213,679/56,520,404.70
  6. Step 6: Final answer
    x = 63,257,246.55

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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.