Home / 71,551,740.27-98,743,830.80-40,195,322.67

Finding the Fourth Proportional to 71,551,740.27, 98,743,830.80 and 40,195,322.67

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Solution

The fourth proportional to 71,551,740.27, 98,743,830.80 and 40,195,322.67 is: 55,470,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,551,740.27 : 98,743,830.80 = 40,195,322.67 : x
  2. Step 2: Convert to fraction form
    71,551,740.27/98,743,830.80 = 40,195,322.67/x
  3. Step 3: Cross multiply
    71,551,740.27x = 98,743,830.80 × 40,195,322.67
  4. Step 4: Simplify right side
    71,551,740.27x = 3,969,040,140,476,908
  5. Step 5: Solve for x
    x = 3,969,040,140,476,908/71,551,740.27
  6. Step 6: Final answer
    x = 55,470,909.94

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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.