Home / 135,448,247.44-186,915,402.13-79,697,278.90

Finding the Fourth Proportional to 135,448,247.44, 186,915,402.13 and 79,697,278.90

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Solution

The fourth proportional to 135,448,247.44, 186,915,402.13 and 79,697,278.90 is: 109,980,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,448,247.44 : 186,915,402.13 = 79,697,278.90 : x
  2. Step 2: Convert to fraction form
    135,448,247.44/186,915,402.13 = 79,697,278.90/x
  3. Step 3: Cross multiply
    135,448,247.44x = 186,915,402.13 × 79,697,278.90
  4. Step 4: Simplify right side
    135,448,247.44x = 14,896,648,934,260,264
  5. Step 5: Solve for x
    x = 14,896,648,934,260,264/135,448,247.44
  6. Step 6: Final answer
    x = 109,980,374.17

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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.