Home / 91,867,707.30-137,801,560.95-66,039,674.70

Finding the Fourth Proportional to 91,867,707.30, 137,801,560.95 and 66,039,674.70

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Solution

The fourth proportional to 91,867,707.30, 137,801,560.95 and 66,039,674.70 is: 99,059,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,867,707.30 : 137,801,560.95 = 66,039,674.70 : x
  2. Step 2: Convert to fraction form
    91,867,707.30/137,801,560.95 = 66,039,674.70/x
  3. Step 3: Cross multiply
    91,867,707.30x = 137,801,560.95 × 66,039,674.70
  4. Step 4: Simplify right side
    91,867,707.30x = 9,100,370,258,290,222
  5. Step 5: Solve for x
    x = 9,100,370,258,290,222/91,867,707.30
  6. Step 6: Final answer
    x = 99,059,512.05

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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.