Home / 65,731,392.95-90,711,993.14-36,362,219.15

Finding the Fourth Proportional to 65,731,392.95, 90,711,993.14 and 36,362,219.15

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Solution

The fourth proportional to 65,731,392.95, 90,711,993.14 and 36,362,219.15 is: 50,181,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,731,392.95 : 90,711,993.14 = 36,362,219.15 : x
  2. Step 2: Convert to fraction form
    65,731,392.95/90,711,993.14 = 36,362,219.15/x
  3. Step 3: Cross multiply
    65,731,392.95x = 90,711,993.14 × 36,362,219.15
  4. Step 4: Simplify right side
    65,731,392.95x = 3,298,489,373,454,606
  5. Step 5: Solve for x
    x = 3,298,489,373,454,606/65,731,392.95
  6. Step 6: Final answer
    x = 50,181,339.93

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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.