Home / 123,108,943.32-184,714,284.60-53,985,979.80

Finding the Fourth Proportional to 123,108,943.32, 184,714,284.60 and 53,985,979.80

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Solution

The fourth proportional to 123,108,943.32, 184,714,284.60 and 53,985,979.80 is: 81,001,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,108,943.32 : 184,714,284.60 = 53,985,979.80 : x
  2. Step 2: Convert to fraction form
    123,108,943.32/184,714,284.60 = 53,985,979.80/x
  3. Step 3: Cross multiply
    123,108,943.32x = 184,714,284.60 × 53,985,979.80
  4. Step 4: Simplify right side
    123,108,943.32x = 9,971,981,637,187,050
  5. Step 5: Solve for x
    x = 9,971,981,637,187,050/123,108,943.32
  6. Step 6: Final answer
    x = 81,001,277.15

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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.