Home / 166,831,153.20-249,920,944.56-79,268,060.16

Finding the Fourth Proportional to 166,831,153.20, 249,920,944.56 and 79,268,060.16

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Solution

The fourth proportional to 166,831,153.20, 249,920,944.56 and 79,268,060.16 is: 118,747,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,831,153.20 : 249,920,944.56 = 79,268,060.16 : x
  2. Step 2: Convert to fraction form
    166,831,153.20/249,920,944.56 = 79,268,060.16/x
  3. Step 3: Cross multiply
    166,831,153.20x = 249,920,944.56 × 79,268,060.16
  4. Step 4: Simplify right side
    166,831,153.20x = 19,810,748,468,626,104
  5. Step 5: Solve for x
    x = 19,810,748,468,626,104/166,831,153.20
  6. Step 6: Final answer
    x = 118,747,296.82

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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.