Home / 55,587,238.20-76,710,395.88-30,809,024.69

Finding the Fourth Proportional to 55,587,238.20, 76,710,395.88 and 30,809,024.69

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Solution

The fourth proportional to 55,587,238.20, 76,710,395.88 and 30,809,024.69 is: 42,516,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587,238.20 : 76,710,395.88 = 30,809,024.69 : x
  2. Step 2: Convert to fraction form
    55,587,238.20/76,710,395.88 = 30,809,024.69/x
  3. Step 3: Cross multiply
    55,587,238.20x = 76,710,395.88 × 30,809,024.69
  4. Step 4: Simplify right side
    55,587,238.20x = 2,363,372,480,263,042
  5. Step 5: Solve for x
    x = 2,363,372,480,263,042/55,587,238.20
  6. Step 6: Final answer
    x = 42,516,458.04

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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.