Home / 78,852,589.64-108,923,080.02-59,420,365.64

Finding the Fourth Proportional to 78,852,589.64, 108,923,080.02 and 59,420,365.64

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Solution

The fourth proportional to 78,852,589.64, 108,923,080.02 and 59,420,365.64 is: 82,080,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,852,589.64 : 108,923,080.02 = 59,420,365.64 : x
  2. Step 2: Convert to fraction form
    78,852,589.64/108,923,080.02 = 59,420,365.64/x
  3. Step 3: Cross multiply
    78,852,589.64x = 108,923,080.02 × 59,420,365.64
  4. Step 4: Simplify right side
    78,852,589.64x = 6,472,249,241,423,378
  5. Step 5: Solve for x
    x = 6,472,249,241,423,378/78,852,589.64
  6. Step 6: Final answer
    x = 82,080,363.76

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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.