Home / 84,147,206.80-126,220,810.20-75,360,715.60

Finding the Fourth Proportional to 84,147,206.80, 126,220,810.20 and 75,360,715.60

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Solution

The fourth proportional to 84,147,206.80, 126,220,810.20 and 75,360,715.60 is: 113,041,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,147,206.80 : 126,220,810.20 = 75,360,715.60 : x
  2. Step 2: Convert to fraction form
    84,147,206.80/126,220,810.20 = 75,360,715.60/x
  3. Step 3: Cross multiply
    84,147,206.80x = 126,220,810.20 × 75,360,715.60
  4. Step 4: Simplify right side
    84,147,206.80x = 9,512,090,580,283,778
  5. Step 5: Solve for x
    x = 9,512,090,580,283,778/84,147,206.80
  6. Step 6: Final answer
    x = 113,041,073.40

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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.