Home / 140,965,483.34-194,516,589.17-78,244,225.26

Finding the Fourth Proportional to 140,965,483.34, 194,516,589.17 and 78,244,225.26

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Solution

The fourth proportional to 140,965,483.34, 194,516,589.17 and 78,244,225.26 is: 107,968,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,965,483.34 : 194,516,589.17 = 78,244,225.26 : x
  2. Step 2: Convert to fraction form
    140,965,483.34/194,516,589.17 = 78,244,225.26/x
  3. Step 3: Cross multiply
    140,965,483.34x = 194,516,589.17 × 78,244,225.26
  4. Step 4: Simplify right side
    140,965,483.34x = 15,219,799,819,824,356
  5. Step 5: Solve for x
    x = 15,219,799,819,824,356/140,965,483.34
  6. Step 6: Final answer
    x = 107,968,273.22

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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.