Home / 163,278,112.20-225,323,807.02-89,939,254.20

Finding the Fourth Proportional to 163,278,112.20, 225,323,807.02 and 89,939,254.20

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Solution

The fourth proportional to 163,278,112.20, 225,323,807.02 and 89,939,254.20 is: 124,116,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,278,112.20 : 225,323,807.02 = 89,939,254.20 : x
  2. Step 2: Convert to fraction form
    163,278,112.20/225,323,807.02 = 89,939,254.20/x
  3. Step 3: Cross multiply
    163,278,112.20x = 225,323,807.02 × 89,939,254.20
  4. Step 4: Simplify right side
    163,278,112.20x = 20,265,455,156,883,528
  5. Step 5: Solve for x
    x = 20,265,455,156,883,528/163,278,112.20
  6. Step 6: Final answer
    x = 124,116,177.51

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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.