Home / 75,268,652.90-112,889,511.27-47,893,628.43

Finding the Fourth Proportional to 75,268,652.90, 112,889,511.27 and 47,893,628.43

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Solution

The fourth proportional to 75,268,652.90, 112,889,511.27 and 47,893,628.43 is: 71,831,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,268,652.90 : 112,889,511.27 = 47,893,628.43 : x
  2. Step 2: Convert to fraction form
    75,268,652.90/112,889,511.27 = 47,893,628.43/x
  3. Step 3: Cross multiply
    75,268,652.90x = 112,889,511.27 × 47,893,628.43
  4. Step 4: Simplify right side
    75,268,652.90x = 5,406,688,306,409,677
  5. Step 5: Solve for x
    x = 5,406,688,306,409,677/75,268,652.90
  6. Step 6: Final answer
    x = 71,831,872.88

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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.