Home / 78,852,587.64-108,923,077.26-59,420,363.64

Finding the Fourth Proportional to 78,852,587.64, 108,923,077.26 and 59,420,363.64

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Solution

The fourth proportional to 78,852,587.64, 108,923,077.26 and 59,420,363.64 is: 82,080,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,852,587.64 : 108,923,077.26 = 59,420,363.64 : x
  2. Step 2: Convert to fraction form
    78,852,587.64/108,923,077.26 = 59,420,363.64/x
  3. Step 3: Cross multiply
    78,852,587.64x = 108,923,077.26 × 59,420,363.64
  4. Step 4: Simplify right side
    78,852,587.64x = 6,472,248,859,577,015
  5. Step 5: Solve for x
    x = 6,472,248,859,577,015/78,852,587.64
  6. Step 6: Final answer
    x = 82,080,361.00

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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.