Home / 287,558,870.97-396,849,025.51-158,664,050.98

Finding the Fourth Proportional to 287,558,870.97, 396,849,025.51 and 158,664,050.98

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Solution

The fourth proportional to 287,558,870.97, 396,849,025.51 and 158,664,050.98 is: 218,966,202.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,558,870.97 : 396,849,025.51 = 158,664,050.98 : x
  2. Step 2: Convert to fraction form
    287,558,870.97/396,849,025.51 = 158,664,050.98/x
  3. Step 3: Cross multiply
    287,558,870.97x = 396,849,025.51 × 158,664,050.98
  4. Step 4: Simplify right side
    287,558,870.97x = 62,965,674,015,727,440
  5. Step 5: Solve for x
    x = 62,965,674,015,727,440/287,558,870.97
  6. Step 6: Final answer
    x = 218,966,202.66

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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.