Home / 77,371,817.20-115,925,015.40-36,895,145.20

Finding the Fourth Proportional to 77,371,817.20, 115,925,015.40 and 36,895,145.20

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Solution

The fourth proportional to 77,371,817.20, 115,925,015.40 and 36,895,145.20 is: 55,279,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,371,817.20 : 115,925,015.40 = 36,895,145.20 : x
  2. Step 2: Convert to fraction form
    77,371,817.20/115,925,015.40 = 36,895,145.20/x
  3. Step 3: Cross multiply
    77,371,817.20x = 115,925,015.40 × 36,895,145.20
  4. Step 4: Simplify right side
    77,371,817.20x = 4,277,070,275,495,236.50
  5. Step 5: Solve for x
    x = 4,277,070,275,495,236.50/77,371,817.20
  6. Step 6: Final answer
    x = 55,279,434.17

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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.