Home / 90,699,264,015.10-136,048,896,022.65-55,435,390,171.90

Finding the Fourth Proportional to 90,699,264,015.10, 136,048,896,022.65 and 55,435,390,171.90

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Solution

The fourth proportional to 90,699,264,015.10, 136,048,896,022.65 and 55,435,390,171.90 is: 83,153,085,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,264,015.10 : 136,048,896,022.65 = 55,435,390,171.90 : x
  2. Step 2: Convert to fraction form
    90,699,264,015.10/136,048,896,022.65 = 55,435,390,171.90/x
  3. Step 3: Cross multiply
    90,699,264,015.10x = 136,048,896,022.65 × 55,435,390,171.90
  4. Step 4: Simplify right side
    90,699,264,015.10x = 7,541,923,633,471,856,574,464
  5. Step 5: Solve for x
    x = 7,541,923,633,471,856,574,464/90,699,264,015.10
  6. Step 6: Final answer
    x = 83,153,085,257.85

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1.5x scale

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.