Home / 289,707,221.80-434,637,815.10-125,874,677.80

Finding the Fourth Proportional to 289,707,221.80, 434,637,815.10 and 125,874,677.80

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Solution

The fourth proportional to 289,707,221.80, 434,637,815.10 and 125,874,677.80 is: 188,845,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,707,221.80 : 434,637,815.10 = 125,874,677.80 : x
  2. Step 2: Convert to fraction form
    289,707,221.80/434,637,815.10 = 125,874,677.80/x
  3. Step 3: Cross multiply
    289,707,221.80x = 434,637,815.10 × 125,874,677.80
  4. Step 4: Simplify right side
    289,707,221.80x = 54,709,894,935,408,480
  5. Step 5: Solve for x
    x = 54,709,894,935,408,480/289,707,221.80
  6. Step 6: Final answer
    x = 188,845,464.73

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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.