Home / 65,190,619.20-89,957,788.56-37,690,320

Finding the Fourth Proportional to 65,190,619.20, 89,957,788.56 and 37,690,320

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Solution

The fourth proportional to 65,190,619.20, 89,957,788.56 and 37,690,320 is: 52,009,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,619.20 : 89,957,788.56 = 37,690,320 : x
  2. Step 2: Convert to fraction form
    65,190,619.20/89,957,788.56 = 37,690,320/x
  3. Step 3: Cross multiply
    65,190,619.20x = 89,957,788.56 × 37,690,320
  4. Step 4: Simplify right side
    65,190,619.20x = 3,390,537,837,318,739.50
  5. Step 5: Solve for x
    x = 3,390,537,837,318,739.50/65,190,619.20
  6. Step 6: Final answer
    x = 52,009,597.07

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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.