Home / 113,574,362.46-156,861,905.44-76,339,999.08

Finding the Fourth Proportional to 113,574,362.46, 156,861,905.44 and 76,339,999.08

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Solution

The fourth proportional to 113,574,362.46, 156,861,905.44 and 76,339,999.08 is: 105,436,098.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,574,362.46 : 156,861,905.44 = 76,339,999.08 : x
  2. Step 2: Convert to fraction form
    113,574,362.46/156,861,905.44 = 76,339,999.08/x
  3. Step 3: Cross multiply
    113,574,362.46x = 156,861,905.44 × 76,339,999.08
  4. Step 4: Simplify right side
    113,574,362.46x = 11,974,837,716,976,646
  5. Step 5: Solve for x
    x = 11,974,837,716,976,646/113,574,362.46
  6. Step 6: Final answer
    x = 105,436,098.94

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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.