Home / 147,528,016.20-221,289,950.70-66,748,854.60

Finding the Fourth Proportional to 147,528,016.20, 221,289,950.70 and 66,748,854.60

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Solution

The fourth proportional to 147,528,016.20, 221,289,950.70 and 66,748,854.60 is: 100,122,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,528,016.20 : 221,289,950.70 = 66,748,854.60 : x
  2. Step 2: Convert to fraction form
    147,528,016.20/221,289,950.70 = 66,748,854.60/x
  3. Step 3: Cross multiply
    147,528,016.20x = 221,289,950.70 × 66,748,854.60
  4. Step 4: Simplify right side
    147,528,016.20x = 14,770,850,743,715,468
  5. Step 5: Solve for x
    x = 14,770,850,743,715,468/147,528,016.20
  6. Step 6: Final answer
    x = 100,122,343.70

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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.