Home / 103,127,481,517.68-142,315,931,338.32-57,400,775,610.72

Finding the Fourth Proportional to 103,127,481,517.68, 142,315,931,338.32 and 57,400,775,610.72

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Solution

The fourth proportional to 103,127,481,517.68, 142,315,931,338.32 and 57,400,775,610.72 is: 79,213,074,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,127,481,517.68 : 142,315,931,338.32 = 57,400,775,610.72 : x
  2. Step 2: Convert to fraction form
    103,127,481,517.68/142,315,931,338.32 = 57,400,775,610.72/x
  3. Step 3: Cross multiply
    103,127,481,517.68x = 142,315,931,338.32 × 57,400,775,610.72
  4. Step 4: Simplify right side
    103,127,481,517.68x = 8,169,044,840,581,541,396,480
  5. Step 5: Solve for x
    x = 8,169,044,840,581,541,396,480/103,127,481,517.68
  6. Step 6: Final answer
    x = 79,213,074,152.12

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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.