Home / 257,221,179.52-385,832,070.29-70,476,703.76

Finding the Fourth Proportional to 257,221,179.52, 385,832,070.29 and 70,476,703.76

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Solution

The fourth proportional to 257,221,179.52, 385,832,070.29 and 70,476,703.76 is: 105,715,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,221,179.52 : 385,832,070.29 = 70,476,703.76 : x
  2. Step 2: Convert to fraction form
    257,221,179.52/385,832,070.29 = 70,476,703.76/x
  3. Step 3: Cross multiply
    257,221,179.52x = 385,832,070.29 × 70,476,703.76
  4. Step 4: Simplify right side
    257,221,179.52x = 27,192,172,520,076,600
  5. Step 5: Solve for x
    x = 27,192,172,520,076,600/257,221,179.52
  6. Step 6: Final answer
    x = 105,715,138.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.