Home / 135,448,251.06-186,915,407.16-79,697,282.50

Finding the Fourth Proportional to 135,448,251.06, 186,915,407.16 and 79,697,282.50

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Solution

The fourth proportional to 135,448,251.06, 186,915,407.16 and 79,697,282.50 is: 109,980,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,448,251.06 : 186,915,407.16 = 79,697,282.50 : x
  2. Step 2: Convert to fraction form
    135,448,251.06/186,915,407.16 = 79,697,282.50/x
  3. Step 3: Cross multiply
    135,448,251.06x = 186,915,407.16 × 79,697,282.50
  4. Step 4: Simplify right side
    135,448,251.06x = 14,896,650,008,033,042
  5. Step 5: Solve for x
    x = 14,896,650,008,033,042/135,448,251.06
  6. Step 6: Final answer
    x = 109,980,379.16

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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.