Home / 218,441,666.55-327,662,499.83-199,734,943.35

Finding the Fourth Proportional to 218,441,666.55, 327,662,499.83 and 199,734,943.35

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Solution

The fourth proportional to 218,441,666.55, 327,662,499.83 and 199,734,943.35 is: 299,602,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,441,666.55 : 327,662,499.83 = 199,734,943.35 : x
  2. Step 2: Convert to fraction form
    218,441,666.55/327,662,499.83 = 199,734,943.35/x
  3. Step 3: Cross multiply
    218,441,666.55x = 327,662,499.83 × 199,734,943.35
  4. Step 4: Simplify right side
    218,441,666.55x = 65,445,650,840,465,752
  5. Step 5: Solve for x
    x = 65,445,650,840,465,752/218,441,666.55
  6. Step 6: Final answer
    x = 299,602,415.03

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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.