Home / 48,644,838.40-72,967,257.60-19,872,083.20

Finding the Fourth Proportional to 48,644,838.40, 72,967,257.60 and 19,872,083.20

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Solution

The fourth proportional to 48,644,838.40, 72,967,257.60 and 19,872,083.20 is: 29,808,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,644,838.40 : 72,967,257.60 = 19,872,083.20 : x
  2. Step 2: Convert to fraction form
    48,644,838.40/72,967,257.60 = 19,872,083.20/x
  3. Step 3: Cross multiply
    48,644,838.40x = 72,967,257.60 × 19,872,083.20
  4. Step 4: Simplify right side
    48,644,838.40x = 1,450,011,413,903,032.25
  5. Step 5: Solve for x
    x = 1,450,011,413,903,032.25/48,644,838.40
  6. Step 6: Final answer
    x = 29,808,124.80

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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.