Home / 315,032,313.02-434,744,670.76-173,903,615.42

Finding the Fourth Proportional to 315,032,313.02, 434,744,670.76 and 173,903,615.42

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Solution

The fourth proportional to 315,032,313.02, 434,744,670.76 and 173,903,615.42 is: 239,987,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,032,313.02 : 434,744,670.76 = 173,903,615.42 : x
  2. Step 2: Convert to fraction form
    315,032,313.02/434,744,670.76 = 173,903,615.42/x
  3. Step 3: Cross multiply
    315,032,313.02x = 434,744,670.76 × 173,903,615.42
  4. Step 4: Simplify right side
    315,032,313.02x = 75,603,670,027,133,072
  5. Step 5: Solve for x
    x = 75,603,670,027,133,072/315,032,313.02
  6. Step 6: Final answer
    x = 239,987,032.77

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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.