Home / 125,023,997.88-172,533,117.08-70,019,854.38

Finding the Fourth Proportional to 125,023,997.88, 172,533,117.08 and 70,019,854.38

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Solution

The fourth proportional to 125,023,997.88, 172,533,117.08 and 70,019,854.38 is: 96,627,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,023,997.88 : 172,533,117.08 = 70,019,854.38 : x
  2. Step 2: Convert to fraction form
    125,023,997.88/172,533,117.08 = 70,019,854.38/x
  3. Step 3: Cross multiply
    125,023,997.88x = 172,533,117.08 × 70,019,854.38
  4. Step 4: Simplify right side
    125,023,997.88x = 12,080,743,733,844,140
  5. Step 5: Solve for x
    x = 12,080,743,733,844,140/125,023,997.88
  6. Step 6: Final answer
    x = 96,627,399.05

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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.