Home / 109,290,811.35-163,936,921.67-43,717,427.20

Finding the Fourth Proportional to 109,290,811.35, 163,936,921.67 and 43,717,427.20

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Solution

The fourth proportional to 109,290,811.35, 163,936,921.67 and 43,717,427.20 is: 65,576,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,290,811.35 : 163,936,921.67 = 43,717,427.20 : x
  2. Step 2: Convert to fraction form
    109,290,811.35/163,936,921.67 = 43,717,427.20/x
  3. Step 3: Cross multiply
    109,290,811.35x = 163,936,921.67 × 43,717,427.20
  4. Step 4: Simplify right side
    109,290,811.35x = 7,166,900,437,462,055
  5. Step 5: Solve for x
    x = 7,166,900,437,462,055/109,290,811.35
  6. Step 6: Final answer
    x = 65,576,422.66

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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.