Home / 287,482,775.48-396,726,230.16-163,734,967.16

Finding the Fourth Proportional to 287,482,775.48, 396,726,230.16 and 163,734,967.16

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Solution

The fourth proportional to 287,482,775.48, 396,726,230.16 and 163,734,967.16 is: 225,954,254.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,482,775.48 : 396,726,230.16 = 163,734,967.16 : x
  2. Step 2: Convert to fraction form
    287,482,775.48/396,726,230.16 = 163,734,967.16/x
  3. Step 3: Cross multiply
    287,482,775.48x = 396,726,230.16 × 163,734,967.16
  4. Step 4: Simplify right side
    287,482,775.48x = 64,957,956,266,758,208
  5. Step 5: Solve for x
    x = 64,957,956,266,758,208/287,482,775.48
  6. Step 6: Final answer
    x = 225,954,254.68

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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.