Home / 79,685,337.12-110,016,538.35-65,035,947.24

Finding the Fourth Proportional to 79,685,337.12, 110,016,538.35 and 65,035,947.24

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Solution

The fourth proportional to 79,685,337.12, 110,016,538.35 and 65,035,947.24 is: 89,791,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,685,337.12 : 110,016,538.35 = 65,035,947.24 : x
  2. Step 2: Convert to fraction form
    79,685,337.12/110,016,538.35 = 65,035,947.24/x
  3. Step 3: Cross multiply
    79,685,337.12x = 110,016,538.35 × 65,035,947.24
  4. Step 4: Simplify right side
    79,685,337.12x = 7,155,029,783,658,036
  5. Step 5: Solve for x
    x = 7,155,029,783,658,036/79,685,337.12
  6. Step 6: Final answer
    x = 89,791,046.16

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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.