Home / 99,240,438.60-148,904,894.70-45,360,016.20

Finding the Fourth Proportional to 99,240,438.60, 148,904,894.70 and 45,360,016.20

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Solution

The fourth proportional to 99,240,438.60, 148,904,894.70 and 45,360,016.20 is: 68,060,243.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,240,438.60 : 148,904,894.70 = 45,360,016.20 : x
  2. Step 2: Convert to fraction form
    99,240,438.60/148,904,894.70 = 45,360,016.20/x
  3. Step 3: Cross multiply
    99,240,438.60x = 148,904,894.70 × 45,360,016.20
  4. Step 4: Simplify right side
    99,240,438.60x = 6,754,328,435,851,294
  5. Step 5: Solve for x
    x = 6,754,328,435,851,294/99,240,438.60
  6. Step 6: Final answer
    x = 68,060,243.70

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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.