Home / 172,871,301.79-259,307,395.55-70,635,339.42

Finding the Fourth Proportional to 172,871,301.79, 259,307,395.55 and 70,635,339.42

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Solution

The fourth proportional to 172,871,301.79, 259,307,395.55 and 70,635,339.42 is: 105,953,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,871,301.79 : 259,307,395.55 = 70,635,339.42 : x
  2. Step 2: Convert to fraction form
    172,871,301.79/259,307,395.55 = 70,635,339.42/x
  3. Step 3: Cross multiply
    172,871,301.79x = 259,307,395.55 × 70,635,339.42
  4. Step 4: Simplify right side
    172,871,301.79x = 18,316,265,898,790,448
  5. Step 5: Solve for x
    x = 18,316,265,898,790,448/172,871,301.79
  6. Step 6: Final answer
    x = 105,953,190.08

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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.