Home / 42,170,428.70-63,213,652.65-19,411,631.90

Finding the Fourth Proportional to 42,170,428.70, 63,213,652.65 and 19,411,631.90

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Solution

The fourth proportional to 42,170,428.70, 63,213,652.65 and 19,411,631.90 is: 29,098,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170,428.70 : 63,213,652.65 = 19,411,631.90 : x
  2. Step 2: Convert to fraction form
    42,170,428.70/63,213,652.65 = 19,411,631.90/x
  3. Step 3: Cross multiply
    42,170,428.70x = 63,213,652.65 × 19,411,631.90
  4. Step 4: Simplify right side
    42,170,428.70x = 1,227,080,156,296,259.50
  5. Step 5: Solve for x
    x = 1,227,080,156,296,259.50/42,170,428.70
  6. Step 6: Final answer
    x = 29,098,119.09

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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.