Home / 123,700,587.57-170,702,134.14-68,699,987.01

Finding the Fourth Proportional to 123,700,587.57, 170,702,134.14 and 68,699,987.01

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Solution

The fourth proportional to 123,700,587.57, 170,702,134.14 and 68,699,987.01 is: 94,803,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,587.57 : 170,702,134.14 = 68,699,987.01 : x
  2. Step 2: Convert to fraction form
    123,700,587.57/170,702,134.14 = 68,699,987.01/x
  3. Step 3: Cross multiply
    123,700,587.57x = 170,702,134.14 × 68,699,987.01
  4. Step 4: Simplify right side
    123,700,587.57x = 11,727,234,397,997,278
  5. Step 5: Solve for x
    x = 11,727,234,397,997,278/123,700,587.57
  6. Step 6: Final answer
    x = 94,803,384.76

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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.