Home / 99,072,021.60-148,608,032.40-91,897,568.10

Finding the Fourth Proportional to 99,072,021.60, 148,608,032.40 and 91,897,568.10

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Solution

The fourth proportional to 99,072,021.60, 148,608,032.40 and 91,897,568.10 is: 137,846,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,021.60 : 148,608,032.40 = 91,897,568.10 : x
  2. Step 2: Convert to fraction form
    99,072,021.60/148,608,032.40 = 91,897,568.10/x
  3. Step 3: Cross multiply
    99,072,021.60x = 148,608,032.40 × 91,897,568.10
  4. Step 4: Simplify right side
    99,072,021.60x = 13,656,716,777,686,006
  5. Step 5: Solve for x
    x = 13,656,716,777,686,006/99,072,021.60
  6. Step 6: Final answer
    x = 137,846,352.15

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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.