Home / 172,871,294.88-259,307,385.19-70,635,332.51

Finding the Fourth Proportional to 172,871,294.88, 259,307,385.19 and 70,635,332.51

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Solution

The fourth proportional to 172,871,294.88, 259,307,385.19 and 70,635,332.51 is: 105,953,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,871,294.88 : 259,307,385.19 = 70,635,332.51 : x
  2. Step 2: Convert to fraction form
    172,871,294.88/259,307,385.19 = 70,635,332.51/x
  3. Step 3: Cross multiply
    172,871,294.88x = 259,307,385.19 × 70,635,332.51
  4. Step 4: Simplify right side
    172,871,294.88x = 18,316,263,375,091,256
  5. Step 5: Solve for x
    x = 18,316,263,375,091,256/172,871,294.88
  6. Step 6: Final answer
    x = 105,953,179.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.