Home / 187,459,870.80-280,711,509.30-149,196,118.80

Finding the Fourth Proportional to 187,459,870.80, 280,711,509.30 and 149,196,118.80

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Solution

The fourth proportional to 187,459,870.80, 280,711,509.30 and 149,196,118.80 is: 223,413,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,459,870.80 : 280,711,509.30 = 149,196,118.80 : x
  2. Step 2: Convert to fraction form
    187,459,870.80/280,711,509.30 = 149,196,118.80/x
  3. Step 3: Cross multiply
    187,459,870.80x = 280,711,509.30 × 149,196,118.80
  4. Step 4: Simplify right side
    187,459,870.80x = 41,881,067,690,050,112
  5. Step 5: Solve for x
    x = 41,881,067,690,050,112/187,459,870.80
  6. Step 6: Final answer
    x = 223,413,509.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.