Home / 99,072,005.10-148,608,007.65-91,897,551.60

Finding the Fourth Proportional to 99,072,005.10, 148,608,007.65 and 91,897,551.60

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Solution

The fourth proportional to 99,072,005.10, 148,608,007.65 and 91,897,551.60 is: 137,846,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,005.10 : 148,608,007.65 = 91,897,551.60 : x
  2. Step 2: Convert to fraction form
    99,072,005.10/148,608,007.65 = 91,897,551.60/x
  3. Step 3: Cross multiply
    99,072,005.10x = 148,608,007.65 × 91,897,551.60
  4. Step 4: Simplify right side
    99,072,005.10x = 13,656,712,051,189,070
  5. Step 5: Solve for x
    x = 13,656,712,051,189,070/99,072,005.10
  6. Step 6: Final answer
    x = 137,846,327.40

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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.