Home / 84,645,107.70-116,811,459.10-63,414,269.40

Finding the Fourth Proportional to 84,645,107.70, 116,811,459.10 and 63,414,269.40

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Solution

The fourth proportional to 84,645,107.70, 116,811,459.10 and 63,414,269.40 is: 87,512,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,645,107.70 : 116,811,459.10 = 63,414,269.40 : x
  2. Step 2: Convert to fraction form
    84,645,107.70/116,811,459.10 = 63,414,269.40/x
  3. Step 3: Cross multiply
    84,645,107.70x = 116,811,459.10 × 63,414,269.40
  4. Step 4: Simplify right side
    84,645,107.70x = 7,407,513,336,374,481
  5. Step 5: Solve for x
    x = 7,407,513,336,374,481/84,645,107.70
  6. Step 6: Final answer
    x = 87,512,598.63

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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.