Home / 164,934,529.20-247,025,133.36-78,733,470.24

Finding the Fourth Proportional to 164,934,529.20, 247,025,133.36 and 78,733,470.24

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Solution

The fourth proportional to 164,934,529.20, 247,025,133.36 and 78,733,470.24 is: 117,920,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,934,529.20 : 247,025,133.36 = 78,733,470.24 : x
  2. Step 2: Convert to fraction form
    164,934,529.20/247,025,133.36 = 78,733,470.24/x
  3. Step 3: Cross multiply
    164,934,529.20x = 247,025,133.36 × 78,733,470.24
  4. Step 4: Simplify right side
    164,934,529.20x = 19,449,145,985,931,592
  5. Step 5: Solve for x
    x = 19,449,145,985,931,592/164,934,529.20
  6. Step 6: Final answer
    x = 117,920,401.99

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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.