Home / 43,719,895.95-65,579,843.93-20,995,313.55

Finding the Fourth Proportional to 43,719,895.95, 65,579,843.93 and 20,995,313.55

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Solution

The fourth proportional to 43,719,895.95, 65,579,843.93 and 20,995,313.55 is: 31,492,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,719,895.95 : 65,579,843.93 = 20,995,313.55 : x
  2. Step 2: Convert to fraction form
    43,719,895.95/65,579,843.93 = 20,995,313.55/x
  3. Step 3: Cross multiply
    43,719,895.95x = 65,579,843.93 × 20,995,313.55
  4. Step 4: Simplify right side
    43,719,895.95x = 1,376,869,385,765,437.75
  5. Step 5: Solve for x
    x = 1,376,869,385,765,437.75/43,719,895.95
  6. Step 6: Final answer
    x = 31,492,970.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.