Home / 125,023,997.68-172,533,116.80-70,019,854.18

Finding the Fourth Proportional to 125,023,997.68, 172,533,116.80 and 70,019,854.18

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Solution

The fourth proportional to 125,023,997.68, 172,533,116.80 and 70,019,854.18 is: 96,627,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,023,997.68 : 172,533,116.80 = 70,019,854.18 : x
  2. Step 2: Convert to fraction form
    125,023,997.68/172,533,116.80 = 70,019,854.18/x
  3. Step 3: Cross multiply
    125,023,997.68x = 172,533,116.80 × 70,019,854.18
  4. Step 4: Simplify right side
    125,023,997.68x = 12,080,743,679,556,910
  5. Step 5: Solve for x
    x = 12,080,743,679,556,910/125,023,997.68
  6. Step 6: Final answer
    x = 96,627,398.77

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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.