Home / 72,046,782.24-99,423,372.61-39,006,767.22

Finding the Fourth Proportional to 72,046,782.24, 99,423,372.61 and 39,006,767.22

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Solution

The fourth proportional to 72,046,782.24, 99,423,372.61 and 39,006,767.22 is: 53,828,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046,782.24 : 99,423,372.61 = 39,006,767.22 : x
  2. Step 2: Convert to fraction form
    72,046,782.24/99,423,372.61 = 39,006,767.22/x
  3. Step 3: Cross multiply
    72,046,782.24x = 99,423,372.61 × 39,006,767.22
  4. Step 4: Simplify right side
    72,046,782.24x = 3,878,184,351,625,593.50
  5. Step 5: Solve for x
    x = 3,878,184,351,625,593.50/72,046,782.24
  6. Step 6: Final answer
    x = 53,828,696.18

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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.