Home / 172,945,722.80-238,641,551.15-103,316,318.12

Finding the Fourth Proportional to 172,945,722.80, 238,641,551.15 and 103,316,318.12

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Solution

The fourth proportional to 172,945,722.80, 238,641,551.15 and 103,316,318.12 is: 142,562,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,945,722.80 : 238,641,551.15 = 103,316,318.12 : x
  2. Step 2: Convert to fraction form
    172,945,722.80/238,641,551.15 = 103,316,318.12/x
  3. Step 3: Cross multiply
    172,945,722.80x = 238,641,551.15 × 103,316,318.12
  4. Step 4: Simplify right side
    172,945,722.80x = 24,655,566,415,343,676
  5. Step 5: Solve for x
    x = 24,655,566,415,343,676/172,945,722.80
  6. Step 6: Final answer
    x = 142,562,452.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.