Home / 118,939,876.73-164,123,717.86-66,018,814.90

Finding the Fourth Proportional to 118,939,876.73, 164,123,717.86 and 66,018,814.90

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Solution

The fourth proportional to 118,939,876.73, 164,123,717.86 and 66,018,814.90 is: 91,098,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,939,876.73 : 164,123,717.86 = 66,018,814.90 : x
  2. Step 2: Convert to fraction form
    118,939,876.73/164,123,717.86 = 66,018,814.90/x
  3. Step 3: Cross multiply
    118,939,876.73x = 164,123,717.86 × 66,018,814.90
  4. Step 4: Simplify right side
    118,939,876.73x = 10,835,253,349,538,332
  5. Step 5: Solve for x
    x = 10,835,253,349,538,332/118,939,876.73
  6. Step 6: Final answer
    x = 91,098,575.58

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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.