Home / 70,815,653.92-106,218,603.87-43,526,158.57

Finding the Fourth Proportional to 70,815,653.92, 106,218,603.87 and 43,526,158.57

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Solution

The fourth proportional to 70,815,653.92, 106,218,603.87 and 43,526,158.57 is: 65,286,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815,653.92 : 106,218,603.87 = 43,526,158.57 : x
  2. Step 2: Convert to fraction form
    70,815,653.92/106,218,603.87 = 43,526,158.57/x
  3. Step 3: Cross multiply
    70,815,653.92x = 106,218,603.87 × 43,526,158.57
  4. Step 4: Simplify right side
    70,815,653.92x = 4,623,287,795,129,636
  5. Step 5: Solve for x
    x = 4,623,287,795,129,636/70,815,653.92
  6. Step 6: Final answer
    x = 65,286,240.25

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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.