Home / 99,660,466.20-149,490,699.30-65,223,089.40

Finding the Fourth Proportional to 99,660,466.20, 149,490,699.30 and 65,223,089.40

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Solution

The fourth proportional to 99,660,466.20, 149,490,699.30 and 65,223,089.40 is: 97,834,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,466.20 : 149,490,699.30 = 65,223,089.40 : x
  2. Step 2: Convert to fraction form
    99,660,466.20/149,490,699.30 = 65,223,089.40/x
  3. Step 3: Cross multiply
    99,660,466.20x = 149,490,699.30 × 65,223,089.40
  4. Step 4: Simplify right side
    99,660,466.20x = 9,750,245,244,912,418
  5. Step 5: Solve for x
    x = 9,750,245,244,912,418/99,660,466.20
  6. Step 6: Final answer
    x = 97,834,634.10

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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.