Home / 45,640,315-68,468,444.12-20,080,660.11

Finding the Fourth Proportional to 45,640,315, 68,468,444.12 and 20,080,660.11

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Solution

The fourth proportional to 45,640,315, 68,468,444.12 and 20,080,660.11 is: 30,124,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,640,315 : 68,468,444.12 = 20,080,660.11 : x
  2. Step 2: Convert to fraction form
    45,640,315/68,468,444.12 = 20,080,660.11/x
  3. Step 3: Cross multiply
    45,640,315x = 68,468,444.12 × 20,080,660.11
  4. Step 4: Simplify right side
    45,640,315x = 1,374,891,554,634,248
  5. Step 5: Solve for x
    x = 1,374,891,554,634,248/45,640,315
  6. Step 6: Final answer
    x = 30,124,497.49

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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.