Home / 74,890,186.80-112,335,280.20-29,428,580.40

Finding the Fourth Proportional to 74,890,186.80, 112,335,280.20 and 29,428,580.40

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Solution

The fourth proportional to 74,890,186.80, 112,335,280.20 and 29,428,580.40 is: 44,142,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,890,186.80 : 112,335,280.20 = 29,428,580.40 : x
  2. Step 2: Convert to fraction form
    74,890,186.80/112,335,280.20 = 29,428,580.40/x
  3. Step 3: Cross multiply
    74,890,186.80x = 112,335,280.20 × 29,428,580.40
  4. Step 4: Simplify right side
    74,890,186.80x = 3,305,867,825,122,228
  5. Step 5: Solve for x
    x = 3,305,867,825,122,228/74,890,186.80
  6. Step 6: Final answer
    x = 44,142,870.60

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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.