Home / 134,265,980.88-201,428,468.28-79,728,382.80

Finding the Fourth Proportional to 134,265,980.88, 201,428,468.28 and 79,728,382.80

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Solution

The fourth proportional to 134,265,980.88, 201,428,468.28 and 79,728,382.80 is: 119,610,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,265,980.88 : 201,428,468.28 = 79,728,382.80 : x
  2. Step 2: Convert to fraction form
    134,265,980.88/201,428,468.28 = 79,728,382.80/x
  3. Step 3: Cross multiply
    134,265,980.88x = 201,428,468.28 × 79,728,382.80
  4. Step 4: Simplify right side
    134,265,980.88x = 16,059,566,025,845,498
  5. Step 5: Solve for x
    x = 16,059,566,025,845,498/134,265,980.88
  6. Step 6: Final answer
    x = 119,610,089.77

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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.