Home / 108,551,921.74-162,694,482.59-50,180,642.78

Finding the Fourth Proportional to 108,551,921.74, 162,694,482.59 and 50,180,642.78

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Solution

The fourth proportional to 108,551,921.74, 162,694,482.59 and 50,180,642.78 is: 75,209,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,551,921.74 : 162,694,482.59 = 50,180,642.78 : x
  2. Step 2: Convert to fraction form
    108,551,921.74/162,694,482.59 = 50,180,642.78/x
  3. Step 3: Cross multiply
    108,551,921.74x = 162,694,482.59 × 50,180,642.78
  4. Step 4: Simplify right side
    108,551,921.74x = 8,164,113,712,437,698
  5. Step 5: Solve for x
    x = 8,164,113,712,437,698/108,551,921.74
  6. Step 6: Final answer
    x = 75,209,296.91

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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.