Home / 172,930,451.84-238,620,455.10-103,301,052.08

Finding the Fourth Proportional to 172,930,451.84, 238,620,455.10 and 103,301,052.08

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Solution

The fourth proportional to 172,930,451.84, 238,620,455.10 and 103,301,052.08 is: 142,541,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,930,451.84 : 238,620,455.10 = 103,301,052.08 : x
  2. Step 2: Convert to fraction form
    172,930,451.84/238,620,455.10 = 103,301,052.08/x
  3. Step 3: Cross multiply
    172,930,451.84x = 238,620,455.10 × 103,301,052.08
  4. Step 4: Simplify right side
    172,930,451.84x = 24,649,744,059,638,400
  5. Step 5: Solve for x
    x = 24,649,744,059,638,400/172,930,451.84
  6. Step 6: Final answer
    x = 142,541,373.12

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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.