Home / 98,927,999.60-148,391,999.40-87,968,505.20

Finding the Fourth Proportional to 98,927,999.60, 148,391,999.40 and 87,968,505.20

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Solution

The fourth proportional to 98,927,999.60, 148,391,999.40 and 87,968,505.20 is: 131,952,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,927,999.60 : 148,391,999.40 = 87,968,505.20 : x
  2. Step 2: Convert to fraction form
    98,927,999.60/148,391,999.40 = 87,968,505.20/x
  3. Step 3: Cross multiply
    98,927,999.60x = 148,391,999.40 × 87,968,505.20
  4. Step 4: Simplify right side
    98,927,999.60x = 13,053,822,370,857,298
  5. Step 5: Solve for x
    x = 13,053,822,370,857,298/98,927,999.60
  6. Step 6: Final answer
    x = 131,952,757.80

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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.