Home / 278,730,401.07-384,658,066.88-159,676,002.83

Finding the Fourth Proportional to 278,730,401.07, 384,658,066.88 and 159,676,002.83

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Solution

The fourth proportional to 278,730,401.07, 384,658,066.88 and 159,676,002.83 is: 220,358,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,730,401.07 : 384,658,066.88 = 159,676,002.83 : x
  2. Step 2: Convert to fraction form
    278,730,401.07/384,658,066.88 = 159,676,002.83/x
  3. Step 3: Cross multiply
    278,730,401.07x = 384,658,066.88 × 159,676,002.83
  4. Step 4: Simplify right side
    278,730,401.07x = 61,420,662,574,914,832
  5. Step 5: Solve for x
    x = 61,420,662,574,914,832/278,730,401.07
  6. Step 6: Final answer
    x = 220,358,677.56

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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.