Home / 90,506,913.24-135,761,615.52-25,810,725.24

Finding the Fourth Proportional to 90,506,913.24, 135,761,615.52 and 25,810,725.24

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Solution

The fourth proportional to 90,506,913.24, 135,761,615.52 and 25,810,725.24 is: 38,716,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,506,913.24 : 135,761,615.52 = 25,810,725.24 : x
  2. Step 2: Convert to fraction form
    90,506,913.24/135,761,615.52 = 25,810,725.24/x
  3. Step 3: Cross multiply
    90,506,913.24x = 135,761,615.52 × 25,810,725.24
  4. Step 4: Simplify right side
    90,506,913.24x = 3,504,105,756,325,240
  5. Step 5: Solve for x
    x = 3,504,105,756,325,240/90,506,913.24
  6. Step 6: Final answer
    x = 38,716,443.10

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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.