Home / 99,071,731.60-148,607,597.40-91,897,278.10

Finding the Fourth Proportional to 99,071,731.60, 148,607,597.40 and 91,897,278.10

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Solution

The fourth proportional to 99,071,731.60, 148,607,597.40 and 91,897,278.10 is: 137,845,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,071,731.60 : 148,607,597.40 = 91,897,278.10 : x
  2. Step 2: Convert to fraction form
    99,071,731.60/148,607,597.40 = 91,897,278.10/x
  3. Step 3: Cross multiply
    99,071,731.60x = 148,607,597.40 × 91,897,278.10
  4. Step 4: Simplify right side
    99,071,731.60x = 13,656,633,706,040,636
  5. Step 5: Solve for x
    x = 13,656,633,706,040,636/99,071,731.60
  6. Step 6: Final answer
    x = 137,845,917.15

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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.