Home / 88,419,947.64-121,936,762.08-69,879,380.46

Finding the Fourth Proportional to 88,419,947.64, 121,936,762.08 and 69,879,380.46

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Solution

The fourth proportional to 88,419,947.64, 121,936,762.08 and 69,879,380.46 is: 96,368,134.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,419,947.64 : 121,936,762.08 = 69,879,380.46 : x
  2. Step 2: Convert to fraction form
    88,419,947.64/121,936,762.08 = 69,879,380.46/x
  3. Step 3: Cross multiply
    88,419,947.64x = 121,936,762.08 × 69,879,380.46
  4. Step 4: Simplify right side
    88,419,947.64x = 8,520,865,389,448,820
  5. Step 5: Solve for x
    x = 8,520,865,389,448,820/88,419,947.64
  6. Step 6: Final answer
    x = 96,368,134.31

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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.