Home / 80,473,616.64-120,710,463.84-26,620,928.64

Finding the Fourth Proportional to 80,473,616.64, 120,710,463.84 and 26,620,928.64

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Solution

The fourth proportional to 80,473,616.64, 120,710,463.84 and 26,620,928.64 is: 39,931,405.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,473,616.64 : 120,710,463.84 = 26,620,928.64 : x
  2. Step 2: Convert to fraction form
    80,473,616.64/120,710,463.84 = 26,620,928.64/x
  3. Step 3: Cross multiply
    80,473,616.64x = 120,710,463.84 × 26,620,928.64
  4. Step 4: Simplify right side
    80,473,616.64x = 3,213,424,643,985,940.50
  5. Step 5: Solve for x
    x = 3,213,424,643,985,940.50/80,473,616.64
  6. Step 6: Final answer
    x = 39,931,405.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.