Home / 49,930,625.60-74,895,938.40-42,372,353.60

Finding the Fourth Proportional to 49,930,625.60, 74,895,938.40 and 42,372,353.60

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Solution

The fourth proportional to 49,930,625.60, 74,895,938.40 and 42,372,353.60 is: 63,558,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,930,625.60 : 74,895,938.40 = 42,372,353.60 : x
  2. Step 2: Convert to fraction form
    49,930,625.60/74,895,938.40 = 42,372,353.60/x
  3. Step 3: Cross multiply
    49,930,625.60x = 74,895,938.40 × 42,372,353.60
  4. Step 4: Simplify right side
    49,930,625.60x = 3,173,517,185,088,618.50
  5. Step 5: Solve for x
    x = 3,173,517,185,088,618.50/49,930,625.60
  6. Step 6: Final answer
    x = 63,558,530.40

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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.