Home / 193,121,698.28-266,499,831.12-109,495,454.72

Finding the Fourth Proportional to 193,121,698.28, 266,499,831.12 and 109,495,454.72

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Solution

The fourth proportional to 193,121,698.28, 266,499,831.12 and 109,495,454.72 is: 151,099,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,121,698.28 : 266,499,831.12 = 109,495,454.72 : x
  2. Step 2: Convert to fraction form
    193,121,698.28/266,499,831.12 = 109,495,454.72/x
  3. Step 3: Cross multiply
    193,121,698.28x = 266,499,831.12 × 109,495,454.72
  4. Step 4: Simplify right side
    193,121,698.28x = 29,180,520,191,287,608
  5. Step 5: Solve for x
    x = 29,180,520,191,287,608/193,121,698.28
  6. Step 6: Final answer
    x = 151,099,127.91

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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.