Home / 71,736,009.10-107,604,013.65-66,193,276.30

Finding the Fourth Proportional to 71,736,009.10, 107,604,013.65 and 66,193,276.30

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Solution

The fourth proportional to 71,736,009.10, 107,604,013.65 and 66,193,276.30 is: 99,289,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,736,009.10 : 107,604,013.65 = 66,193,276.30 : x
  2. Step 2: Convert to fraction form
    71,736,009.10/107,604,013.65 = 66,193,276.30/x
  3. Step 3: Cross multiply
    71,736,009.10x = 107,604,013.65 × 66,193,276.30
  4. Step 4: Simplify right side
    71,736,009.10x = 7,122,662,206,523,422
  5. Step 5: Solve for x
    x = 7,122,662,206,523,422/71,736,009.10
  6. Step 6: Final answer
    x = 99,289,914.45

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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.