Home / 123,367,566.72-170,248,242.24-68,364,341.76

Finding the Fourth Proportional to 123,367,566.72, 170,248,242.24 and 68,364,341.76

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Solution

The fourth proportional to 123,367,566.72, 170,248,242.24 and 68,364,341.76 is: 94,343,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,367,566.72 : 170,248,242.24 = 68,364,341.76 : x
  2. Step 2: Convert to fraction form
    123,367,566.72/170,248,242.24 = 68,364,341.76/x
  3. Step 3: Cross multiply
    123,367,566.72x = 170,248,242.24 × 68,364,341.76
  4. Step 4: Simplify right side
    123,367,566.72x = 11,638,909,016,534,630
  5. Step 5: Solve for x
    x = 11,638,909,016,534,630/123,367,566.72
  6. Step 6: Final answer
    x = 94,343,345.87

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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.