Home / 210,968,849.97-316,465,232.27-65,423,103.30

Finding the Fourth Proportional to 210,968,849.97, 316,465,232.27 and 65,423,103.30

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Solution

The fourth proportional to 210,968,849.97, 316,465,232.27 and 65,423,103.30 is: 98,138,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,968,849.97 : 316,465,232.27 = 65,423,103.30 : x
  2. Step 2: Convert to fraction form
    210,968,849.97/316,465,232.27 = 65,423,103.30/x
  3. Step 3: Cross multiply
    210,968,849.97x = 316,465,232.27 × 65,423,103.30
  4. Step 4: Simplify right side
    210,968,849.97x = 20,704,137,581,331,588
  5. Step 5: Solve for x
    x = 20,704,137,581,331,588/210,968,849.97
  6. Step 6: Final answer
    x = 98,138,363.01

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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.