Home / 70,984,913.40-106,435,379.70-36,972,689.40

Finding the Fourth Proportional to 70,984,913.40, 106,435,379.70 and 36,972,689.40

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Solution

The fourth proportional to 70,984,913.40, 106,435,379.70 and 36,972,689.40 is: 55,437,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,984,913.40 : 106,435,379.70 = 36,972,689.40 : x
  2. Step 2: Convert to fraction form
    70,984,913.40/106,435,379.70 = 36,972,689.40/x
  3. Step 3: Cross multiply
    70,984,913.40x = 106,435,379.70 × 36,972,689.40
  4. Step 4: Simplify right side
    70,984,913.40x = 3,935,202,234,819,165
  5. Step 5: Solve for x
    x = 3,935,202,234,819,165/70,984,913.40
  6. Step 6: Final answer
    x = 55,437,163.28

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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.