Home / 78,852,586.64-108,923,075.88-59,420,362.64

Finding the Fourth Proportional to 78,852,586.64, 108,923,075.88 and 59,420,362.64

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Solution

The fourth proportional to 78,852,586.64, 108,923,075.88 and 59,420,362.64 is: 82,080,359.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,852,586.64 : 108,923,075.88 = 59,420,362.64 : x
  2. Step 2: Convert to fraction form
    78,852,586.64/108,923,075.88 = 59,420,362.64/x
  3. Step 3: Cross multiply
    78,852,586.64x = 108,923,075.88 × 59,420,362.64
  4. Step 4: Simplify right side
    78,852,586.64x = 6,472,248,668,653,837
  5. Step 5: Solve for x
    x = 6,472,248,668,653,837/78,852,586.64
  6. Step 6: Final answer
    x = 82,080,359.62

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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.