Home / 163,647,465.16-225,838,289.69-89,312,793.43

Finding the Fourth Proportional to 163,647,465.16, 225,838,289.69 and 89,312,793.43

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Solution

The fourth proportional to 163,647,465.16, 225,838,289.69 and 89,312,793.43 is: 123,254,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,647,465.16 : 225,838,289.69 = 89,312,793.43 : x
  2. Step 2: Convert to fraction form
    163,647,465.16/225,838,289.69 = 89,312,793.43/x
  3. Step 3: Cross multiply
    163,647,465.16x = 225,838,289.69 × 89,312,793.43
  4. Step 4: Simplify right side
    163,647,465.16x = 20,170,248,515,667,472
  5. Step 5: Solve for x
    x = 20,170,248,515,667,472/163,647,465.16
  6. Step 6: Final answer
    x = 123,254,267.92

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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.