Home / 65,081,728.44-89,809,774.38-35,712,320.76

Finding the Fourth Proportional to 65,081,728.44, 89,809,774.38 and 35,712,320.76

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Solution

The fourth proportional to 65,081,728.44, 89,809,774.38 and 35,712,320.76 is: 49,281,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,081,728.44 : 89,809,774.38 = 35,712,320.76 : x
  2. Step 2: Convert to fraction form
    65,081,728.44/89,809,774.38 = 35,712,320.76/x
  3. Step 3: Cross multiply
    65,081,728.44x = 89,809,774.38 × 35,712,320.76
  4. Step 4: Simplify right side
    65,081,728.44x = 3,207,315,470,041,790
  5. Step 5: Solve for x
    x = 3,207,315,470,041,790/65,081,728.44
  6. Step 6: Final answer
    x = 49,281,350.49

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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.