Home / 278,957,483.82-384,801,024.51-174,354,017.58

Finding the Fourth Proportional to 278,957,483.82, 384,801,024.51 and 174,354,017.58

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Solution

The fourth proportional to 278,957,483.82, 384,801,024.51 and 174,354,017.58 is: 240,508,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,957,483.82 : 384,801,024.51 = 174,354,017.58 : x
  2. Step 2: Convert to fraction form
    278,957,483.82/384,801,024.51 = 174,354,017.58/x
  3. Step 3: Cross multiply
    278,957,483.82x = 384,801,024.51 × 174,354,017.58
  4. Step 4: Simplify right side
    278,957,483.82x = 67,091,604,592,218,552
  5. Step 5: Solve for x
    x = 67,091,604,592,218,552/278,957,483.82
  6. Step 6: Final answer
    x = 240,508,351.57

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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.