Home / 79,146,555.20-118,719,832.80-58,739,220.80

Finding the Fourth Proportional to 79,146,555.20, 118,719,832.80 and 58,739,220.80

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Solution

The fourth proportional to 79,146,555.20, 118,719,832.80 and 58,739,220.80 is: 88,108,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,146,555.20 : 118,719,832.80 = 58,739,220.80 : x
  2. Step 2: Convert to fraction form
    79,146,555.20/118,719,832.80 = 58,739,220.80/x
  3. Step 3: Cross multiply
    79,146,555.20x = 118,719,832.80 × 58,739,220.80
  4. Step 4: Simplify right side
    79,146,555.20x = 6,973,510,472,178,282
  5. Step 5: Solve for x
    x = 6,973,510,472,178,282/79,146,555.20
  6. Step 6: Final answer
    x = 88,108,831.20

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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.