Home / 65,254,993.12-90,049,829.20-35,886,235.04

Finding the Fourth Proportional to 65,254,993.12, 90,049,829.20 and 35,886,235.04

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Solution

The fourth proportional to 65,254,993.12, 90,049,829.20 and 35,886,235.04 is: 49,521,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,254,993.12 : 90,049,829.20 = 35,886,235.04 : x
  2. Step 2: Convert to fraction form
    65,254,993.12/90,049,829.20 = 35,886,235.04/x
  3. Step 3: Cross multiply
    65,254,993.12x = 90,049,829.20 × 35,886,235.04
  4. Step 4: Simplify right side
    65,254,993.12x = 3,231,549,335,983,055
  5. Step 5: Solve for x
    x = 3,231,549,335,983,055/65,254,993.12
  6. Step 6: Final answer
    x = 49,521,870.76

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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.