Home / 99,665,044.20-149,497,566.30-97,985,428.20

Finding the Fourth Proportional to 99,665,044.20, 149,497,566.30 and 97,985,428.20

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Solution

The fourth proportional to 99,665,044.20, 149,497,566.30 and 97,985,428.20 is: 146,978,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,665,044.20 : 149,497,566.30 = 97,985,428.20 : x
  2. Step 2: Convert to fraction form
    99,665,044.20/149,497,566.30 = 97,985,428.20/x
  3. Step 3: Cross multiply
    99,665,044.20x = 149,497,566.30 × 97,985,428.20
  4. Step 4: Simplify right side
    99,665,044.20x = 14,648,583,048,763,392
  5. Step 5: Solve for x
    x = 14,648,583,048,763,392/99,665,044.20
  6. Step 6: Final answer
    x = 146,978,142.30

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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.