Home / 98,663,678.30-147,995,517.45-97,152,023.90

Finding the Fourth Proportional to 98,663,678.30, 147,995,517.45 and 97,152,023.90

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Solution

The fourth proportional to 98,663,678.30, 147,995,517.45 and 97,152,023.90 is: 145,728,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,663,678.30 : 147,995,517.45 = 97,152,023.90 : x
  2. Step 2: Convert to fraction form
    98,663,678.30/147,995,517.45 = 97,152,023.90/x
  3. Step 3: Cross multiply
    98,663,678.30x = 147,995,517.45 × 97,152,023.90
  4. Step 4: Simplify right side
    98,663,678.30x = 14,378,064,048,395,266
  5. Step 5: Solve for x
    x = 14,378,064,048,395,266/98,663,678.30
  6. Step 6: Final answer
    x = 145,728,035.85

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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.