Home / 122,486,139.90-183,729,209.85-101,228,499.90

Finding the Fourth Proportional to 122,486,139.90, 183,729,209.85 and 101,228,499.90

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Solution

The fourth proportional to 122,486,139.90, 183,729,209.85 and 101,228,499.90 is: 151,842,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,486,139.90 : 183,729,209.85 = 101,228,499.90 : x
  2. Step 2: Convert to fraction form
    122,486,139.90/183,729,209.85 = 101,228,499.90/x
  3. Step 3: Cross multiply
    122,486,139.90x = 183,729,209.85 × 101,228,499.90
  4. Step 4: Simplify right side
    122,486,139.90x = 18,598,632,300,927,804
  5. Step 5: Solve for x
    x = 18,598,632,300,927,804/122,486,139.90
  6. Step 6: Final answer
    x = 151,842,749.85

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1.5x scale

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.