Home / 371,345,130.33-512,468,566.34-204,087,320.16

Finding the Fourth Proportional to 371,345,130.33, 512,468,566.34 and 204,087,320.16

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Solution

The fourth proportional to 371,345,130.33, 512,468,566.34 and 204,087,320.16 is: 281,647,254.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,345,130.33 : 512,468,566.34 = 204,087,320.16 : x
  2. Step 2: Convert to fraction form
    371,345,130.33/512,468,566.34 = 204,087,320.16/x
  3. Step 3: Cross multiply
    371,345,130.33x = 512,468,566.34 × 204,087,320.16
  4. Step 4: Simplify right side
    371,345,130.33x = 104,588,336,369,547,344
  5. Step 5: Solve for x
    x = 104,588,336,369,547,344/371,345,130.33
  6. Step 6: Final answer
    x = 281,647,254.34

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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.