Home / 163,253,500.71-225,289,831.05-89,914,642.71

Finding the Fourth Proportional to 163,253,500.71, 225,289,831.05 and 89,914,642.71

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Solution

The fourth proportional to 163,253,500.71, 225,289,831.05 and 89,914,642.71 is: 124,082,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,253,500.71 : 225,289,831.05 = 89,914,642.71 : x
  2. Step 2: Convert to fraction form
    163,253,500.71/225,289,831.05 = 89,914,642.71/x
  3. Step 3: Cross multiply
    163,253,500.71x = 225,289,831.05 × 89,914,642.71
  4. Step 4: Simplify right side
    163,253,500.71x = 20,256,854,665,057,012
  5. Step 5: Solve for x
    x = 20,256,854,665,057,012/163,253,500.71
  6. Step 6: Final answer
    x = 124,082,206.98

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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.