Home / 54,432,005.80-81,648,008.70-53,172,293.80

Finding the Fourth Proportional to 54,432,005.80, 81,648,008.70 and 53,172,293.80

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Solution

The fourth proportional to 54,432,005.80, 81,648,008.70 and 53,172,293.80 is: 79,758,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432,005.80 : 81,648,008.70 = 53,172,293.80 : x
  2. Step 2: Convert to fraction form
    54,432,005.80/81,648,008.70 = 53,172,293.80/x
  3. Step 3: Cross multiply
    54,432,005.80x = 81,648,008.70 × 53,172,293.80
  4. Step 4: Simplify right side
    54,432,005.80x = 4,341,411,906,781,356
  5. Step 5: Solve for x
    x = 4,341,411,906,781,356/54,432,005.80
  6. Step 6: Final answer
    x = 79,758,440.70

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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.