Home / 119,341,569.78-164,550,459.83-81,682,874.55

Finding the Fourth Proportional to 119,341,569.78, 164,550,459.83 and 81,682,874.55

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Solution

The fourth proportional to 119,341,569.78, 164,550,459.83 and 81,682,874.55 is: 112,625,923.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,341,569.78 : 164,550,459.83 = 81,682,874.55 : x
  2. Step 2: Convert to fraction form
    119,341,569.78/164,550,459.83 = 81,682,874.55/x
  3. Step 3: Cross multiply
    119,341,569.78x = 164,550,459.83 × 81,682,874.55
  4. Step 4: Simplify right side
    119,341,569.78x = 13,440,954,567,030,288
  5. Step 5: Solve for x
    x = 13,440,954,567,030,288/119,341,569.78
  6. Step 6: Final answer
    x = 112,625,923.99

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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.