Home / 163,488,408.26-225,612,356.40-89,148,780.41

Finding the Fourth Proportional to 163,488,408.26, 225,612,356.40 and 89,148,780.41

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Solution

The fourth proportional to 163,488,408.26, 225,612,356.40 and 89,148,780.41 is: 123,024,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,488,408.26 : 225,612,356.40 = 89,148,780.41 : x
  2. Step 2: Convert to fraction form
    163,488,408.26/225,612,356.40 = 89,148,780.41/x
  3. Step 3: Cross multiply
    163,488,408.26x = 225,612,356.40 × 89,148,780.41
  4. Step 4: Simplify right side
    163,488,408.26x = 20,113,066,417,358,196
  5. Step 5: Solve for x
    x = 20,113,066,417,358,196/163,488,408.26
  6. Step 6: Final answer
    x = 123,024,418.87

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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.