Home / 168,931,014.66-253,492,379.54-91,206,883.62

Finding the Fourth Proportional to 168,931,014.66, 253,492,379.54 and 91,206,883.62

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Solution

The fourth proportional to 168,931,014.66, 253,492,379.54 and 91,206,883.62 is: 136,862,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,931,014.66 : 253,492,379.54 = 91,206,883.62 : x
  2. Step 2: Convert to fraction form
    168,931,014.66/253,492,379.54 = 91,206,883.62/x
  3. Step 3: Cross multiply
    168,931,014.66x = 253,492,379.54 × 91,206,883.62
  4. Step 4: Simplify right side
    168,931,014.66x = 23,120,249,959,261,648
  5. Step 5: Solve for x
    x = 23,120,249,959,261,648/168,931,014.66
  6. Step 6: Final answer
    x = 136,862,079.51

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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.