Home / 284,230,965.78-392,075,011.17-171,121,714.74

Finding the Fourth Proportional to 284,230,965.78, 392,075,011.17 and 171,121,714.74

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Solution

The fourth proportional to 284,230,965.78, 392,075,011.17 and 171,121,714.74 is: 236,049,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,230,965.78 : 392,075,011.17 = 171,121,714.74 : x
  2. Step 2: Convert to fraction form
    284,230,965.78/392,075,011.17 = 171,121,714.74/x
  3. Step 3: Cross multiply
    284,230,965.78x = 392,075,011.17 × 171,121,714.74
  4. Step 4: Simplify right side
    284,230,965.78x = 67,092,548,218,115,064
  5. Step 5: Solve for x
    x = 67,092,548,218,115,064/284,230,965.78
  6. Step 6: Final answer
    x = 236,049,397.48

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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.