Home / 211,983,433.16-292,493,895-123,860,386.92

Finding the Fourth Proportional to 211,983,433.16, 292,493,895 and 123,860,386.92

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Solution

The fourth proportional to 211,983,433.16, 292,493,895 and 123,860,386.92 is: 170,902,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,983,433.16 : 292,493,895 = 123,860,386.92 : x
  2. Step 2: Convert to fraction form
    211,983,433.16/292,493,895 = 123,860,386.92/x
  3. Step 3: Cross multiply
    211,983,433.16x = 292,493,895 × 123,860,386.92
  4. Step 4: Simplify right side
    211,983,433.16x = 36,228,407,006,437,856
  5. Step 5: Solve for x
    x = 36,228,407,006,437,856/211,983,433.16
  6. Step 6: Final answer
    x = 170,902,067.52

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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.