Home / 113,574,362.36-156,861,905.27-76,339,998.95

Finding the Fourth Proportional to 113,574,362.36, 156,861,905.27 and 76,339,998.95

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Solution

The fourth proportional to 113,574,362.36, 156,861,905.27 and 76,339,998.95 is: 105,436,098.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,574,362.36 : 156,861,905.27 = 76,339,998.95 : x
  2. Step 2: Convert to fraction form
    113,574,362.36/156,861,905.27 = 76,339,998.95/x
  3. Step 3: Cross multiply
    113,574,362.36x = 156,861,905.27 × 76,339,998.95
  4. Step 4: Simplify right side
    113,574,362.36x = 11,974,837,682,440,788
  5. Step 5: Solve for x
    x = 11,974,837,682,440,788/113,574,362.36
  6. Step 6: Final answer
    x = 105,436,098.73

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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.