Home / 71,115,808.40-106,673,712.60-53,199,904.40

Finding the Fourth Proportional to 71,115,808.40, 106,673,712.60 and 53,199,904.40

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Solution

The fourth proportional to 71,115,808.40, 106,673,712.60 and 53,199,904.40 is: 79,799,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,115,808.40 : 106,673,712.60 = 53,199,904.40 : x
  2. Step 2: Convert to fraction form
    71,115,808.40/106,673,712.60 = 53,199,904.40/x
  3. Step 3: Cross multiply
    71,115,808.40x = 106,673,712.60 × 53,199,904.40
  4. Step 4: Simplify right side
    71,115,808.40x = 5,675,031,312,313,075
  5. Step 5: Solve for x
    x = 5,675,031,312,313,075/71,115,808.40
  6. Step 6: Final answer
    x = 79,799,856.60

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Similar ratio
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1.5x scale

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.