Home / 231,140,900.32-318,974,365.68-126,716,731.48

Finding the Fourth Proportional to 231,140,900.32, 318,974,365.68 and 126,716,731.48

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Solution

The fourth proportional to 231,140,900.32, 318,974,365.68 and 126,716,731.48 is: 174,869,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,140,900.32 : 318,974,365.68 = 126,716,731.48 : x
  2. Step 2: Convert to fraction form
    231,140,900.32/318,974,365.68 = 126,716,731.48/x
  3. Step 3: Cross multiply
    231,140,900.32x = 318,974,365.68 × 126,716,731.48
  4. Step 4: Simplify right side
    231,140,900.32x = 40,419,389,044,875,888
  5. Step 5: Solve for x
    x = 40,419,389,044,875,888/231,140,900.32
  6. Step 6: Final answer
    x = 174,869,047.36

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1.5x scale

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.