Home / 65,402,648.64-90,257,807.52-36,035,184.96

Finding the Fourth Proportional to 65,402,648.64, 90,257,807.52 and 36,035,184.96

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Solution

The fourth proportional to 65,402,648.64, 90,257,807.52 and 36,035,184.96 is: 49,729,741.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,402,648.64 : 90,257,807.52 = 36,035,184.96 : x
  2. Step 2: Convert to fraction form
    65,402,648.64/90,257,807.52 = 36,035,184.96/x
  3. Step 3: Cross multiply
    65,402,648.64x = 90,257,807.52 × 36,035,184.96
  4. Step 4: Simplify right side
    65,402,648.64x = 3,252,456,788,067,279
  5. Step 5: Solve for x
    x = 3,252,456,788,067,279/65,402,648.64
  6. Step 6: Final answer
    x = 49,729,741.16

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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.