Home / 172,488,665.82-258,320,528.36-99,484,116.96

Finding the Fourth Proportional to 172,488,665.82, 258,320,528.36 and 99,484,116.96

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Solution

The fourth proportional to 172,488,665.82, 258,320,528.36 and 99,484,116.96 is: 148,988,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,488,665.82 : 258,320,528.36 = 99,484,116.96 : x
  2. Step 2: Convert to fraction form
    172,488,665.82/258,320,528.36 = 99,484,116.96/x
  3. Step 3: Cross multiply
    172,488,665.82x = 258,320,528.36 × 99,484,116.96
  4. Step 4: Simplify right side
    172,488,665.82x = 25,698,789,656,535,236
  5. Step 5: Solve for x
    x = 25,698,789,656,535,236/172,488,665.82
  6. Step 6: Final answer
    x = 148,988,280.10

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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.