Home / 123,700,565.52-170,702,103.74-68,699,964.96

Finding the Fourth Proportional to 123,700,565.52, 170,702,103.74 and 68,699,964.96

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Solution

The fourth proportional to 123,700,565.52, 170,702,103.74 and 68,699,964.96 is: 94,803,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,565.52 : 170,702,103.74 = 68,699,964.96 : x
  2. Step 2: Convert to fraction form
    123,700,565.52/170,702,103.74 = 68,699,964.96/x
  3. Step 3: Cross multiply
    123,700,565.52x = 170,702,103.74 × 68,699,964.96
  4. Step 4: Simplify right side
    123,700,565.52x = 11,727,228,545,192,784
  5. Step 5: Solve for x
    x = 11,727,228,545,192,784/123,700,565.52
  6. Step 6: Final answer
    x = 94,803,354.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.