Home / 66,073,385.32-91,183,857.06-45,209,177.32

Finding the Fourth Proportional to 66,073,385.32, 91,183,857.06 and 45,209,177.32

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Solution

The fourth proportional to 66,073,385.32, 91,183,857.06 and 45,209,177.32 is: 62,390,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,073,385.32 : 91,183,857.06 = 45,209,177.32 : x
  2. Step 2: Convert to fraction form
    66,073,385.32/91,183,857.06 = 45,209,177.32/x
  3. Step 3: Cross multiply
    66,073,385.32x = 91,183,857.06 × 45,209,177.32
  4. Step 4: Simplify right side
    66,073,385.32x = 4,122,347,162,547,074
  5. Step 5: Solve for x
    x = 4,122,347,162,547,074/66,073,385.32
  6. Step 6: Final answer
    x = 62,390,433.65

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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.