Home / 125,108,662.59-172,649,950.63-69,353,941.72

Finding the Fourth Proportional to 125,108,662.59, 172,649,950.63 and 69,353,941.72

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Solution

The fourth proportional to 125,108,662.59, 172,649,950.63 and 69,353,941.72 is: 95,708,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,108,662.59 : 172,649,950.63 = 69,353,941.72 : x
  2. Step 2: Convert to fraction form
    125,108,662.59/172,649,950.63 = 69,353,941.72/x
  3. Step 3: Cross multiply
    125,108,662.59x = 172,649,950.63 × 69,353,941.72
  4. Step 4: Simplify right side
    125,108,662.59x = 11,973,954,613,431,410
  5. Step 5: Solve for x
    x = 11,973,954,613,431,410/125,108,662.59
  6. Step 6: Final answer
    x = 95,708,437.49

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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.