Home / 105,007,676.90-157,464,276.15-40,289,972.90

Finding the Fourth Proportional to 105,007,676.90, 157,464,276.15 and 40,289,972.90

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Solution

The fourth proportional to 105,007,676.90, 157,464,276.15 and 40,289,972.90 is: 60,416,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,007,676.90 : 157,464,276.15 = 40,289,972.90 : x
  2. Step 2: Convert to fraction form
    105,007,676.90/157,464,276.15 = 40,289,972.90/x
  3. Step 3: Cross multiply
    105,007,676.90x = 157,464,276.15 × 40,289,972.90
  4. Step 4: Simplify right side
    105,007,676.90x = 6,344,231,418,801,616
  5. Step 5: Solve for x
    x = 6,344,231,418,801,616/105,007,676.90
  6. Step 6: Final answer
    x = 60,416,834.33

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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.