Home / 104,390,512.20-156,585,768.30-87,762,313.80

Finding the Fourth Proportional to 104,390,512.20, 156,585,768.30 and 87,762,313.80

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Solution

The fourth proportional to 104,390,512.20, 156,585,768.30 and 87,762,313.80 is: 131,643,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,390,512.20 : 156,585,768.30 = 87,762,313.80 : x
  2. Step 2: Convert to fraction form
    104,390,512.20/156,585,768.30 = 87,762,313.80/x
  3. Step 3: Cross multiply
    104,390,512.20x = 156,585,768.30 × 87,762,313.80
  4. Step 4: Simplify right side
    104,390,512.20x = 13,742,329,334,158,694
  5. Step 5: Solve for x
    x = 13,742,329,334,158,694/104,390,512.20
  6. Step 6: Final answer
    x = 131,643,470.70

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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.