Home / 134,764,231.57-185,974,638.12-72,884,570.13

Finding the Fourth Proportional to 134,764,231.57, 185,974,638.12 and 72,884,570.13

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Solution

The fourth proportional to 134,764,231.57, 185,974,638.12 and 72,884,570.13 is: 100,580,706.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,764,231.57 : 185,974,638.12 = 72,884,570.13 : x
  2. Step 2: Convert to fraction form
    134,764,231.57/185,974,638.12 = 72,884,570.13/x
  3. Step 3: Cross multiply
    134,764,231.57x = 185,974,638.12 × 72,884,570.13
  4. Step 4: Simplify right side
    134,764,231.57x = 13,554,681,554,458,510
  5. Step 5: Solve for x
    x = 13,554,681,554,458,510/134,764,231.57
  6. Step 6: Final answer
    x = 100,580,706.00

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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.