Home / 118,125,266.80-177,187,900.20-89,459,820.40

Finding the Fourth Proportional to 118,125,266.80, 177,187,900.20 and 89,459,820.40

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Solution

The fourth proportional to 118,125,266.80, 177,187,900.20 and 89,459,820.40 is: 134,189,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,125,266.80 : 177,187,900.20 = 89,459,820.40 : x
  2. Step 2: Convert to fraction form
    118,125,266.80/177,187,900.20 = 89,459,820.40/x
  3. Step 3: Cross multiply
    118,125,266.80x = 177,187,900.20 × 89,459,820.40
  4. Step 4: Simplify right side
    118,125,266.80x = 15,851,197,728,945,124
  5. Step 5: Solve for x
    x = 15,851,197,728,945,124/118,125,266.80
  6. Step 6: Final answer
    x = 134,189,730.60

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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.