Home / 52,123,579.37-78,205,962.39-19,784,065.92

Finding the Fourth Proportional to 52,123,579.37, 78,205,962.39 and 19,784,065.92

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Solution

The fourth proportional to 52,123,579.37, 78,205,962.39 and 19,784,065.92 is: 29,683,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,123,579.37 : 78,205,962.39 = 19,784,065.92 : x
  2. Step 2: Convert to fraction form
    52,123,579.37/78,205,962.39 = 19,784,065.92/x
  3. Step 3: Cross multiply
    52,123,579.37x = 78,205,962.39 × 19,784,065.92
  4. Step 4: Simplify right side
    52,123,579.37x = 1,547,231,915,260,801
  5. Step 5: Solve for x
    x = 1,547,231,915,260,801/52,123,579.37
  6. Step 6: Final answer
    x = 29,683,915.30

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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.