Home / 72,422,522.88-99,941,088.48-39,827,474.88

Finding the Fourth Proportional to 72,422,522.88, 99,941,088.48 and 39,827,474.88

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Solution

The fourth proportional to 72,422,522.88, 99,941,088.48 and 39,827,474.88 is: 54,960,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,422,522.88 : 99,941,088.48 = 39,827,474.88 : x
  2. Step 2: Convert to fraction form
    72,422,522.88/99,941,088.48 = 39,827,474.88/x
  3. Step 3: Cross multiply
    72,422,522.88x = 99,941,088.48 × 39,827,474.88
  4. Step 4: Simplify right side
    72,422,522.88x = 3,980,401,190,917,058
  5. Step 5: Solve for x
    x = 3,980,401,190,917,058/72,422,522.88
  6. Step 6: Final answer
    x = 54,960,819.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.