Home / 111,915,017.70-167,872,526.55-66,453,411.30

Finding the Fourth Proportional to 111,915,017.70, 167,872,526.55 and 66,453,411.30

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Solution

The fourth proportional to 111,915,017.70, 167,872,526.55 and 66,453,411.30 is: 99,680,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,915,017.70 : 167,872,526.55 = 66,453,411.30 : x
  2. Step 2: Convert to fraction form
    111,915,017.70/167,872,526.55 = 66,453,411.30/x
  3. Step 3: Cross multiply
    111,915,017.70x = 167,872,526.55 × 66,453,411.30
  4. Step 4: Simplify right side
    111,915,017.70x = 11,155,702,052,797,320
  5. Step 5: Solve for x
    x = 11,155,702,052,797,320/111,915,017.70
  6. Step 6: Final answer
    x = 99,680,116.95

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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.