Home / 125,293,358.40-187,790,738.40-52,509,998.40

Finding the Fourth Proportional to 125,293,358.40, 187,790,738.40 and 52,509,998.40

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Solution

The fourth proportional to 125,293,358.40, 187,790,738.40 and 52,509,998.40 is: 78,702,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,293,358.40 : 187,790,738.40 = 52,509,998.40 : x
  2. Step 2: Convert to fraction form
    125,293,358.40/187,790,738.40 = 52,509,998.40/x
  3. Step 3: Cross multiply
    125,293,358.40x = 187,790,738.40 × 52,509,998.40
  4. Step 4: Simplify right side
    125,293,358.40x = 9,860,891,372,918,818
  5. Step 5: Solve for x
    x = 9,860,891,372,918,818/125,293,358.40
  6. Step 6: Final answer
    x = 78,702,426.84

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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.