Home / 72,648,776.48-100,351,010.70-53,848,470.87

Finding the Fourth Proportional to 72,648,776.48, 100,351,010.70 and 53,848,470.87

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Solution

The fourth proportional to 72,648,776.48, 100,351,010.70 and 53,848,470.87 is: 74,381,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,648,776.48 : 100,351,010.70 = 53,848,470.87 : x
  2. Step 2: Convert to fraction form
    72,648,776.48/100,351,010.70 = 53,848,470.87/x
  3. Step 3: Cross multiply
    72,648,776.48x = 100,351,010.70 × 53,848,470.87
  4. Step 4: Simplify right side
    72,648,776.48x = 5,403,748,476,454,008
  5. Step 5: Solve for x
    x = 5,403,748,476,454,008/72,648,776.48
  6. Step 6: Final answer
    x = 74,381,823.60

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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.