Home / 122,120,921.66-183,031,307.39-56,453,232.78

Finding the Fourth Proportional to 122,120,921.66, 183,031,307.39 and 56,453,232.78

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Solution

The fourth proportional to 122,120,921.66, 183,031,307.39 and 56,453,232.78 is: 84,610,473.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,120,921.66 : 183,031,307.39 = 56,453,232.78 : x
  2. Step 2: Convert to fraction form
    122,120,921.66/183,031,307.39 = 56,453,232.78/x
  3. Step 3: Cross multiply
    122,120,921.66x = 183,031,307.39 × 56,453,232.78
  4. Step 4: Simplify right side
    122,120,921.66x = 10,332,709,001,833,138
  5. Step 5: Solve for x
    x = 10,332,709,001,833,138/122,120,921.66
  6. Step 6: Final answer
    x = 84,610,473.47

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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.