Home / 172,909,424.80-258,948,542.64-98,908,849.60

Finding the Fourth Proportional to 172,909,424.80, 258,948,542.64 and 98,908,849.60

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Solution

The fourth proportional to 172,909,424.80, 258,948,542.64 and 98,908,849.60 is: 148,125,543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,909,424.80 : 258,948,542.64 = 98,908,849.60 : x
  2. Step 2: Convert to fraction form
    172,909,424.80/258,948,542.64 = 98,908,849.60/x
  3. Step 3: Cross multiply
    172,909,424.80x = 258,948,542.64 × 98,908,849.60
  4. Step 4: Simplify right side
    172,909,424.80x = 25,612,302,458,118,944
  5. Step 5: Solve for x
    x = 25,612,302,458,118,944/172,909,424.80
  6. Step 6: Final answer
    x = 148,125,543.11

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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.