Home / 99,660,069.90-149,490,104.85-97,644,530.70

Finding the Fourth Proportional to 99,660,069.90, 149,490,104.85 and 97,644,530.70

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Solution

The fourth proportional to 99,660,069.90, 149,490,104.85 and 97,644,530.70 is: 146,466,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,069.90 : 149,490,104.85 = 97,644,530.70 : x
  2. Step 2: Convert to fraction form
    99,660,069.90/149,490,104.85 = 97,644,530.70/x
  3. Step 3: Cross multiply
    99,660,069.90x = 149,490,104.85 × 97,644,530.70
  4. Step 4: Simplify right side
    99,660,069.90x = 14,596,891,132,372,044
  5. Step 5: Solve for x
    x = 14,596,891,132,372,044/99,660,069.90
  6. Step 6: Final answer
    x = 146,466,796.05

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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.