Home / 83,585,352.36-125,320,790.46-42,565,388.52

Finding the Fourth Proportional to 83,585,352.36, 125,320,790.46 and 42,565,388.52

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Solution

The fourth proportional to 83,585,352.36, 125,320,790.46 and 42,565,388.52 is: 63,818,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,585,352.36 : 125,320,790.46 = 42,565,388.52 : x
  2. Step 2: Convert to fraction form
    83,585,352.36/125,320,790.46 = 42,565,388.52/x
  3. Step 3: Cross multiply
    83,585,352.36x = 125,320,790.46 × 42,565,388.52
  4. Step 4: Simplify right side
    83,585,352.36x = 5,334,328,135,563,410
  5. Step 5: Solve for x
    x = 5,334,328,135,563,410/83,585,352.36
  6. Step 6: Final answer
    x = 63,818,934.60

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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.