Home / 84,814,715.78-117,049,307.37-63,869,795.59

Finding the Fourth Proportional to 84,814,715.78, 117,049,307.37 and 63,869,795.59

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Solution

The fourth proportional to 84,814,715.78, 117,049,307.37 and 63,869,795.59 is: 88,144,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,814,715.78 : 117,049,307.37 = 63,869,795.59 : x
  2. Step 2: Convert to fraction form
    84,814,715.78/117,049,307.37 = 63,869,795.59/x
  3. Step 3: Cross multiply
    84,814,715.78x = 117,049,307.37 × 63,869,795.59
  4. Step 4: Simplify right side
    84,814,715.78x = 7,475,915,335,672,981
  5. Step 5: Solve for x
    x = 7,475,915,335,672,981/84,814,715.78
  6. Step 6: Final answer
    x = 88,144,082.86

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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.