Home / 87,683,921.34-121,004,041.26-48,528,398.22

Finding the Fourth Proportional to 87,683,921.34, 121,004,041.26 and 48,528,398.22

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Solution

The fourth proportional to 87,683,921.34, 121,004,041.26 and 48,528,398.22 is: 66,969,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,683,921.34 : 121,004,041.26 = 48,528,398.22 : x
  2. Step 2: Convert to fraction form
    87,683,921.34/121,004,041.26 = 48,528,398.22/x
  3. Step 3: Cross multiply
    87,683,921.34x = 121,004,041.26 × 48,528,398.22
  4. Step 4: Simplify right side
    87,683,921.34x = 5,872,132,300,494,591
  5. Step 5: Solve for x
    x = 5,872,132,300,494,591/87,683,921.34
  6. Step 6: Final answer
    x = 66,969,316.73

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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.