Home / 91,782,519.18-126,655,320.51-50,528,525.82

Finding the Fourth Proportional to 91,782,519.18, 126,655,320.51 and 50,528,525.82

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Solution

The fourth proportional to 91,782,519.18, 126,655,320.51 and 50,528,525.82 is: 69,726,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,782,519.18 : 126,655,320.51 = 50,528,525.82 : x
  2. Step 2: Convert to fraction form
    91,782,519.18/126,655,320.51 = 50,528,525.82/x
  3. Step 3: Cross multiply
    91,782,519.18x = 126,655,320.51 × 50,528,525.82
  4. Step 4: Simplify right side
    91,782,519.18x = 6,399,706,632,629,911
  5. Step 5: Solve for x
    x = 6,399,706,632,629,911/91,782,519.18
  6. Step 6: Final answer
    x = 69,726,857.46

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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.