Home / 134,764,240.28-185,974,650.12-72,884,578.82

Finding the Fourth Proportional to 134,764,240.28, 185,974,650.12 and 72,884,578.82

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Solution

The fourth proportional to 134,764,240.28, 185,974,650.12 and 72,884,578.82 is: 100,580,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,764,240.28 : 185,974,650.12 = 72,884,578.82 : x
  2. Step 2: Convert to fraction form
    134,764,240.28/185,974,650.12 = 72,884,578.82/x
  3. Step 3: Cross multiply
    134,764,240.28x = 185,974,650.12 × 72,884,578.82
  4. Step 4: Simplify right side
    134,764,240.28x = 13,554,684,045,193,062
  5. Step 5: Solve for x
    x = 13,554,684,045,193,062/134,764,240.28
  6. Step 6: Final answer
    x = 100,580,717.98

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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.