Home / 122,678,048.20-183,860,774.70-65,197,856.20

Finding the Fourth Proportional to 122,678,048.20, 183,860,774.70 and 65,197,856.20

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Solution

The fourth proportional to 122,678,048.20, 183,860,774.70 and 65,197,856.20 is: 97,713,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,678,048.20 : 183,860,774.70 = 65,197,856.20 : x
  2. Step 2: Convert to fraction form
    122,678,048.20/183,860,774.70 = 65,197,856.20/x
  3. Step 3: Cross multiply
    122,678,048.20x = 183,860,774.70 × 65,197,856.20
  4. Step 4: Simplify right side
    122,678,048.20x = 11,987,328,349,711,198
  5. Step 5: Solve for x
    x = 11,987,328,349,711,198/122,678,048.20
  6. Step 6: Final answer
    x = 97,713,719.17

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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.