Home / 196,248,031.20-294,372,046.80-157,984,279.20

Finding the Fourth Proportional to 196,248,031.20, 294,372,046.80 and 157,984,279.20

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Solution

The fourth proportional to 196,248,031.20, 294,372,046.80 and 157,984,279.20 is: 236,976,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,248,031.20 : 294,372,046.80 = 157,984,279.20 : x
  2. Step 2: Convert to fraction form
    196,248,031.20/294,372,046.80 = 157,984,279.20/x
  3. Step 3: Cross multiply
    196,248,031.20x = 294,372,046.80 × 157,984,279.20
  4. Step 4: Simplify right side
    196,248,031.20x = 46,506,155,630,326,664
  5. Step 5: Solve for x
    x = 46,506,155,630,326,664/196,248,031.20
  6. Step 6: Final answer
    x = 236,976,418.80

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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.