Home / 134,591,791.32-185,798,673.18-78,829,473.24

Finding the Fourth Proportional to 134,591,791.32, 185,798,673.18 and 78,829,473.24

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Solution

The fourth proportional to 134,591,791.32, 185,798,673.18 and 78,829,473.24 is: 108,820,986.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,591,791.32 : 185,798,673.18 = 78,829,473.24 : x
  2. Step 2: Convert to fraction form
    134,591,791.32/185,798,673.18 = 78,829,473.24/x
  3. Step 3: Cross multiply
    134,591,791.32x = 185,798,673.18 × 78,829,473.24
  4. Step 4: Simplify right side
    134,591,791.32x = 14,646,411,535,470,316
  5. Step 5: Solve for x
    x = 14,646,411,535,470,316/134,591,791.32
  6. Step 6: Final answer
    x = 108,820,986.72

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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.