Home / 78,852,588.64-108,923,078.64-59,420,364.64

Finding the Fourth Proportional to 78,852,588.64, 108,923,078.64 and 59,420,364.64

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Solution

The fourth proportional to 78,852,588.64, 108,923,078.64 and 59,420,364.64 is: 82,080,362.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,852,588.64 : 108,923,078.64 = 59,420,364.64 : x
  2. Step 2: Convert to fraction form
    78,852,588.64/108,923,078.64 = 59,420,364.64/x
  3. Step 3: Cross multiply
    78,852,588.64x = 108,923,078.64 × 59,420,364.64
  4. Step 4: Simplify right side
    78,852,588.64x = 6,472,249,050,500,195
  5. Step 5: Solve for x
    x = 6,472,249,050,500,195/78,852,588.64
  6. Step 6: Final answer
    x = 82,080,362.38

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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.