Home / 65,220,147.16-90,004,921.12-35,852,717.50

Finding the Fourth Proportional to 65,220,147.16, 90,004,921.12 and 35,852,717.50

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Solution

The fourth proportional to 65,220,147.16, 90,004,921.12 and 35,852,717.50 is: 49,477,364.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,220,147.16 : 90,004,921.12 = 35,852,717.50 : x
  2. Step 2: Convert to fraction form
    65,220,147.16/90,004,921.12 = 35,852,717.50/x
  3. Step 3: Cross multiply
    65,220,147.16x = 90,004,921.12 × 35,852,717.50
  4. Step 4: Simplify right side
    65,220,147.16x = 3,226,921,010,525,144
  5. Step 5: Solve for x
    x = 3,226,921,010,525,144/65,220,147.16
  6. Step 6: Final answer
    x = 49,477,364.76

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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.