Home / 118,023,481.60-177,035,222.40-67,005,145.60

Finding the Fourth Proportional to 118,023,481.60, 177,035,222.40 and 67,005,145.60

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Solution

The fourth proportional to 118,023,481.60, 177,035,222.40 and 67,005,145.60 is: 100,507,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,023,481.60 : 177,035,222.40 = 67,005,145.60 : x
  2. Step 2: Convert to fraction form
    118,023,481.60/177,035,222.40 = 67,005,145.60/x
  3. Step 3: Cross multiply
    118,023,481.60x = 177,035,222.40 × 67,005,145.60
  4. Step 4: Simplify right side
    118,023,481.60x = 11,862,270,853,240,382
  5. Step 5: Solve for x
    x = 11,862,270,853,240,382/118,023,481.60
  6. Step 6: Final answer
    x = 100,507,718.40

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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.