Home / 99,071,728.10-148,607,592.15-91,897,274.60

Finding the Fourth Proportional to 99,071,728.10, 148,607,592.15 and 91,897,274.60

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Solution

The fourth proportional to 99,071,728.10, 148,607,592.15 and 91,897,274.60 is: 137,845,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,071,728.10 : 148,607,592.15 = 91,897,274.60 : x
  2. Step 2: Convert to fraction form
    99,071,728.10/148,607,592.15 = 91,897,274.60/x
  3. Step 3: Cross multiply
    99,071,728.10x = 148,607,592.15 × 91,897,274.60
  4. Step 4: Simplify right side
    99,071,728.10x = 13,656,632,703,453,354
  5. Step 5: Solve for x
    x = 13,656,632,703,453,354/99,071,728.10
  6. Step 6: Final answer
    x = 137,845,911.90

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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.