Home / 315,032,305.98-434,744,661.05-173,903,608.38

Finding the Fourth Proportional to 315,032,305.98, 434,744,661.05 and 173,903,608.38

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Solution

The fourth proportional to 315,032,305.98, 434,744,661.05 and 173,903,608.38 is: 239,987,023.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,032,305.98 : 434,744,661.05 = 173,903,608.38 : x
  2. Step 2: Convert to fraction form
    315,032,305.98/434,744,661.05 = 173,903,608.38/x
  3. Step 3: Cross multiply
    315,032,305.98x = 434,744,661.05 × 173,903,608.38
  4. Step 4: Simplify right side
    315,032,305.98x = 75,603,665,282,925,280
  5. Step 5: Solve for x
    x = 75,603,665,282,925,280/315,032,305.98
  6. Step 6: Final answer
    x = 239,987,023.07

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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.