Home / 358,859,617.46-538,289,426.90-86,230,384.82

Finding the Fourth Proportional to 358,859,617.46, 538,289,426.90 and 86,230,384.82

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Solution

The fourth proportional to 358,859,617.46, 538,289,426.90 and 86,230,384.82 is: 129,345,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,859,617.46 : 538,289,426.90 = 86,230,384.82 : x
  2. Step 2: Convert to fraction form
    358,859,617.46/538,289,426.90 = 86,230,384.82/x
  3. Step 3: Cross multiply
    358,859,617.46x = 538,289,426.90 × 86,230,384.82
  4. Step 4: Simplify right side
    358,859,617.46x = 46,416,904,423,648,392
  5. Step 5: Solve for x
    x = 46,416,904,423,648,392/358,859,617.46
  6. Step 6: Final answer
    x = 129,345,577.40

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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.