Home / 122,640,773.64-184,001,018.47-81,865,962.91

Finding the Fourth Proportional to 122,640,773.64, 184,001,018.47 and 81,865,962.91

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Solution

The fourth proportional to 122,640,773.64, 184,001,018.47 and 81,865,962.91 is: 122,825,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,640,773.64 : 184,001,018.47 = 81,865,962.91 : x
  2. Step 2: Convert to fraction form
    122,640,773.64/184,001,018.47 = 81,865,962.91/x
  3. Step 3: Cross multiply
    122,640,773.64x = 184,001,018.47 × 81,865,962.91
  4. Step 4: Simplify right side
    122,640,773.64x = 15,063,420,554,327,254
  5. Step 5: Solve for x
    x = 15,063,420,554,327,254/122,640,773.64
  6. Step 6: Final answer
    x = 122,825,550.65

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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.