Home / 78,889,643.56-108,865,619.52-44,082,620

Finding the Fourth Proportional to 78,889,643.56, 108,865,619.52 and 44,082,620

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Solution

The fourth proportional to 78,889,643.56, 108,865,619.52 and 44,082,620 is: 60,832,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,889,643.56 : 108,865,619.52 = 44,082,620 : x
  2. Step 2: Convert to fraction form
    78,889,643.56/108,865,619.52 = 44,082,620/x
  3. Step 3: Cross multiply
    78,889,643.56x = 108,865,619.52 × 44,082,620
  4. Step 4: Simplify right side
    78,889,643.56x = 4,799,081,736,364,742
  5. Step 5: Solve for x
    x = 4,799,081,736,364,742/78,889,643.56
  6. Step 6: Final answer
    x = 60,832,848.52

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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.