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Finding the Fourth Proportional to 220,917,123.06, 331,375,509.63 and 59,359,059.06

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Solution

The fourth proportional to 220,917,123.06, 331,375,509.63 and 59,359,059.06 is: 89,038,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,917,123.06 : 331,375,509.63 = 59,359,059.06 : x
  2. Step 2: Convert to fraction form
    220,917,123.06/331,375,509.63 = 59,359,059.06/x
  3. Step 3: Cross multiply
    220,917,123.06x = 331,375,509.63 × 59,359,059.06
  4. Step 4: Simplify right side
    220,917,123.06x = 19,670,138,447,164,768
  5. Step 5: Solve for x
    x = 19,670,138,447,164,768/220,917,123.06
  6. Step 6: Final answer
    x = 89,038,541.58

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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.