Home / 72,463,024.72-99,999,767.04-39,423,461.68

Finding the Fourth Proportional to 72,463,024.72, 99,999,767.04 and 39,423,461.68

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Solution

The fourth proportional to 72,463,024.72, 99,999,767.04 and 39,423,461.68 is: 54,404,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,463,024.72 : 99,999,767.04 = 39,423,461.68 : x
  2. Step 2: Convert to fraction form
    72,463,024.72/99,999,767.04 = 39,423,461.68/x
  3. Step 3: Cross multiply
    72,463,024.72x = 99,999,767.04 × 39,423,461.68
  4. Step 4: Simplify right side
    72,463,024.72x = 3,942,336,983,910,367.50
  5. Step 5: Solve for x
    x = 3,942,336,983,910,367.50/72,463,024.72
  6. Step 6: Final answer
    x = 54,404,808.51

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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.