Home / 126,263,206.72-174,224,543.52-76,677,793.60

Finding the Fourth Proportional to 126,263,206.72, 174,224,543.52 and 76,677,793.60

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Solution

The fourth proportional to 126,263,206.72, 174,224,543.52 and 76,677,793.60 is: 105,804,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,263,206.72 : 174,224,543.52 = 76,677,793.60 : x
  2. Step 2: Convert to fraction form
    126,263,206.72/174,224,543.52 = 76,677,793.60/x
  3. Step 3: Cross multiply
    126,263,206.72x = 174,224,543.52 × 76,677,793.60
  4. Step 4: Simplify right side
    126,263,206.72x = 13,359,153,588,080,778
  5. Step 5: Solve for x
    x = 13,359,153,588,080,778/126,263,206.72
  6. Step 6: Final answer
    x = 105,804,010.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.