Home / 381,350,948.40-572,101,072.20-163,000,868.40

Finding the Fourth Proportional to 381,350,948.40, 572,101,072.20 and 163,000,868.40

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Solution

The fourth proportional to 381,350,948.40, 572,101,072.20 and 163,000,868.40 is: 244,533,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,350,948.40 : 572,101,072.20 = 163,000,868.40 : x
  2. Step 2: Convert to fraction form
    381,350,948.40/572,101,072.20 = 163,000,868.40/x
  3. Step 3: Cross multiply
    381,350,948.40x = 572,101,072.20 × 163,000,868.40
  4. Step 4: Simplify right side
    381,350,948.40x = 93,252,971,581,171,104
  5. Step 5: Solve for x
    x = 93,252,971,581,171,104/381,350,948.40
  6. Step 6: Final answer
    x = 244,533,210.08

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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.