Home / 72,384,963.42-99,891,959.32-39,345,192.16

Finding the Fourth Proportional to 72,384,963.42, 99,891,959.32 and 39,345,192.16

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Solution

The fourth proportional to 72,384,963.42, 99,891,959.32 and 39,345,192.16 is: 54,296,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,384,963.42 : 99,891,959.32 = 39,345,192.16 : x
  2. Step 2: Convert to fraction form
    72,384,963.42/99,891,959.32 = 39,345,192.16/x
  3. Step 3: Cross multiply
    72,384,963.42x = 99,891,959.32 × 39,345,192.16
  4. Step 4: Simplify right side
    72,384,963.42x = 3,930,268,334,824,330
  5. Step 5: Solve for x
    x = 3,930,268,334,824,330/72,384,963.42
  6. Step 6: Final answer
    x = 54,296,751.00

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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.