Home / 49,539,335.16-74,279,568.12-18,836,159.64

Finding the Fourth Proportional to 49,539,335.16, 74,279,568.12 and 18,836,159.64

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Solution

The fourth proportional to 49,539,335.16, 74,279,568.12 and 18,836,159.64 is: 28,243,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,539,335.16 : 74,279,568.12 = 18,836,159.64 : x
  2. Step 2: Convert to fraction form
    49,539,335.16/74,279,568.12 = 18,836,159.64/x
  3. Step 3: Cross multiply
    49,539,335.16x = 74,279,568.12 × 18,836,159.64
  4. Step 4: Simplify right side
    49,539,335.16x = 1,399,141,803,098,574.75
  5. Step 5: Solve for x
    x = 1,399,141,803,098,574.75/49,539,335.16
  6. Step 6: Final answer
    x = 28,243,047.64

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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.