Home / 187,135,064.20-280,660,605.90-122,889,752.20

Finding the Fourth Proportional to 187,135,064.20, 280,660,605.90 and 122,889,752.20

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Solution

The fourth proportional to 187,135,064.20, 280,660,605.90 and 122,889,752.20 is: 184,307,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,135,064.20 : 280,660,605.90 = 122,889,752.20 : x
  2. Step 2: Convert to fraction form
    187,135,064.20/280,660,605.90 = 122,889,752.20/x
  3. Step 3: Cross multiply
    187,135,064.20x = 280,660,605.90 × 122,889,752.20
  4. Step 4: Simplify right side
    187,135,064.20x = 34,490,312,311,352,856
  5. Step 5: Solve for x
    x = 34,490,312,311,352,856/187,135,064.20
  6. Step 6: Final answer
    x = 184,307,053.62

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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.