Home / 196,257,715.20-294,386,572.80-157,993,963.20

Finding the Fourth Proportional to 196,257,715.20, 294,386,572.80 and 157,993,963.20

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Solution

The fourth proportional to 196,257,715.20, 294,386,572.80 and 157,993,963.20 is: 236,990,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,257,715.20 : 294,386,572.80 = 157,993,963.20 : x
  2. Step 2: Convert to fraction form
    196,257,715.20/294,386,572.80 = 157,993,963.20/x
  3. Step 3: Cross multiply
    196,257,715.20x = 294,386,572.80 × 157,993,963.20
  4. Step 4: Simplify right side
    196,257,715.20x = 46,511,301,349,537,320
  5. Step 5: Solve for x
    x = 46,511,301,349,537,320/196,257,715.20
  6. Step 6: Final answer
    x = 236,990,944.80

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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.