Home / 298,210,009.10-447,315,013.65-82,799,257.10

Finding the Fourth Proportional to 298,210,009.10, 447,315,013.65 and 82,799,257.10

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Solution

The fourth proportional to 298,210,009.10, 447,315,013.65 and 82,799,257.10 is: 124,198,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,210,009.10 : 447,315,013.65 = 82,799,257.10 : x
  2. Step 2: Convert to fraction form
    298,210,009.10/447,315,013.65 = 82,799,257.10/x
  3. Step 3: Cross multiply
    298,210,009.10x = 447,315,013.65 × 82,799,257.10
  4. Step 4: Simplify right side
    298,210,009.10x = 37,037,350,819,896,352
  5. Step 5: Solve for x
    x = 37,037,350,819,896,352/298,210,009.10
  6. Step 6: Final answer
    x = 124,198,885.65

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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.