Home / 84,113,792.07-126,169,673.21-21,859,591.16

Finding the Fourth Proportional to 84,113,792.07, 126,169,673.21 and 21,859,591.16

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Solution

The fourth proportional to 84,113,792.07, 126,169,673.21 and 21,859,591.16 is: 32,789,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,113,792.07 : 126,169,673.21 = 21,859,591.16 : x
  2. Step 2: Convert to fraction form
    84,113,792.07/126,169,673.21 = 21,859,591.16/x
  3. Step 3: Cross multiply
    84,113,792.07x = 126,169,673.21 × 21,859,591.16
  4. Step 4: Simplify right side
    84,113,792.07x = 2,758,017,473,161,404.50
  5. Step 5: Solve for x
    x = 2,758,017,473,161,404.50/84,113,792.07
  6. Step 6: Final answer
    x = 32,789,122.99

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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.