Home / 70,942,661.52-106,362,920.80-43,592,446.38

Finding the Fourth Proportional to 70,942,661.52, 106,362,920.80 and 43,592,446.38

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Solution

The fourth proportional to 70,942,661.52, 106,362,920.80 and 43,592,446.38 is: 65,357,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942,661.52 : 106,362,920.80 = 43,592,446.38 : x
  2. Step 2: Convert to fraction form
    70,942,661.52/106,362,920.80 = 43,592,446.38/x
  3. Step 3: Cross multiply
    70,942,661.52x = 106,362,920.80 × 43,592,446.38
  4. Step 4: Simplify right side
    70,942,661.52x = 4,636,619,921,794,187
  5. Step 5: Solve for x
    x = 4,636,619,921,794,187/70,942,661.52
  6. Step 6: Final answer
    x = 65,357,287.46

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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.