Home / 172,871,293.20-259,307,382.66-70,635,330.82

Finding the Fourth Proportional to 172,871,293.20, 259,307,382.66 and 70,635,330.82

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Solution

The fourth proportional to 172,871,293.20, 259,307,382.66 and 70,635,330.82 is: 105,953,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,871,293.20 : 259,307,382.66 = 70,635,330.82 : x
  2. Step 2: Convert to fraction form
    172,871,293.20/259,307,382.66 = 70,635,330.82/x
  3. Step 3: Cross multiply
    172,871,293.20x = 259,307,382.66 × 70,635,330.82
  4. Step 4: Simplify right side
    172,871,293.20x = 18,316,262,758,713,840
  5. Step 5: Solve for x
    x = 18,316,262,758,713,840/172,871,293.20
  6. Step 6: Final answer
    x = 105,953,177.19

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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.