Home / 217,242,002.10-325,863,003.15-53,478,457.95

Finding the Fourth Proportional to 217,242,002.10, 325,863,003.15 and 53,478,457.95

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Solution

The fourth proportional to 217,242,002.10, 325,863,003.15 and 53,478,457.95 is: 80,217,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,242,002.10 : 325,863,003.15 = 53,478,457.95 : x
  2. Step 2: Convert to fraction form
    217,242,002.10/325,863,003.15 = 53,478,457.95/x
  3. Step 3: Cross multiply
    217,242,002.10x = 325,863,003.15 × 53,478,457.95
  4. Step 4: Simplify right side
    217,242,002.10x = 17,426,650,911,417,992
  5. Step 5: Solve for x
    x = 17,426,650,911,417,992/217,242,002.10
  6. Step 6: Final answer
    x = 80,217,686.93

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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.