Home / 99,854,445.40-149,781,668.10-39,238,970.20

Finding the Fourth Proportional to 99,854,445.40, 149,781,668.10 and 39,238,970.20

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Solution

The fourth proportional to 99,854,445.40, 149,781,668.10 and 39,238,970.20 is: 58,858,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,445.40 : 149,781,668.10 = 39,238,970.20 : x
  2. Step 2: Convert to fraction form
    99,854,445.40/149,781,668.10 = 39,238,970.20/x
  3. Step 3: Cross multiply
    99,854,445.40x = 149,781,668.10 × 39,238,970.20
  4. Step 4: Simplify right side
    99,854,445.40x = 5,877,278,411,082,191
  5. Step 5: Solve for x
    x = 5,877,278,411,082,191/99,854,445.40
  6. Step 6: Final answer
    x = 58,858,455.30

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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.