Home / 172,871,302.79-259,307,397.05-70,635,340.42

Finding the Fourth Proportional to 172,871,302.79, 259,307,397.05 and 70,635,340.42

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Solution

The fourth proportional to 172,871,302.79, 259,307,397.05 and 70,635,340.42 is: 105,953,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,871,302.79 : 259,307,397.05 = 70,635,340.42 : x
  2. Step 2: Convert to fraction form
    172,871,302.79/259,307,397.05 = 70,635,340.42/x
  3. Step 3: Cross multiply
    172,871,302.79x = 259,307,397.05 × 70,635,340.42
  4. Step 4: Simplify right side
    172,871,302.79x = 18,316,266,264,050,856
  5. Step 5: Solve for x
    x = 18,316,266,264,050,856/172,871,302.79
  6. Step 6: Final answer
    x = 105,953,191.58

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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.