Home / 103,966,643.30-155,949,965.02-27,297,421.70

Finding the Fourth Proportional to 103,966,643.30, 155,949,965.02 and 27,297,421.70

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Solution

The fourth proportional to 103,966,643.30, 155,949,965.02 and 27,297,421.70 is: 40,946,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,966,643.30 : 155,949,965.02 = 27,297,421.70 : x
  2. Step 2: Convert to fraction form
    103,966,643.30/155,949,965.02 = 27,297,421.70/x
  3. Step 3: Cross multiply
    103,966,643.30x = 155,949,965.02 × 27,297,421.70
  4. Step 4: Simplify right side
    103,966,643.30x = 4,257,031,959,251,189
  5. Step 5: Solve for x
    x = 4,257,031,959,251,189/103,966,643.30
  6. Step 6: Final answer
    x = 40,946,132.57

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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.