Home / 126,525,006.24-189,591,207.48-87,739,113.66

Finding the Fourth Proportional to 126,525,006.24, 189,591,207.48 and 87,739,113.66

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Solution

The fourth proportional to 126,525,006.24, 189,591,207.48 and 87,739,113.66 is: 131,472,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,525,006.24 : 189,591,207.48 = 87,739,113.66 : x
  2. Step 2: Convert to fraction form
    126,525,006.24/189,591,207.48 = 87,739,113.66/x
  3. Step 3: Cross multiply
    126,525,006.24x = 189,591,207.48 × 87,739,113.66
  4. Step 4: Simplify right side
    126,525,006.24x = 16,634,564,502,024,360
  5. Step 5: Solve for x
    x = 16,634,564,502,024,360/126,525,006.24
  6. Step 6: Final answer
    x = 131,472,544.41

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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.