Home / 187,459,871.80-280,711,510.80-149,196,119.80

Finding the Fourth Proportional to 187,459,871.80, 280,711,510.80 and 149,196,119.80

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Solution

The fourth proportional to 187,459,871.80, 280,711,510.80 and 149,196,119.80 is: 223,413,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,459,871.80 : 280,711,510.80 = 149,196,119.80 : x
  2. Step 2: Convert to fraction form
    187,459,871.80/280,711,510.80 = 149,196,119.80/x
  3. Step 3: Cross multiply
    187,459,871.80x = 280,711,510.80 × 149,196,119.80
  4. Step 4: Simplify right side
    187,459,871.80x = 41,881,068,194,555,800
  5. Step 5: Solve for x
    x = 41,881,068,194,555,800/187,459,871.80
  6. Step 6: Final answer
    x = 223,413,511.34

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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.