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Finding the Fourth Proportional to 56,894,689.68, 85,307,475.84 and 22,309,658.10

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Solution

The fourth proportional to 56,894,689.68, 85,307,475.84 and 22,309,658.10 is: 33,450,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,894,689.68 : 85,307,475.84 = 22,309,658.10 : x
  2. Step 2: Convert to fraction form
    56,894,689.68/85,307,475.84 = 22,309,658.10/x
  3. Step 3: Cross multiply
    56,894,689.68x = 85,307,475.84 × 22,309,658.10
  4. Step 4: Simplify right side
    56,894,689.68x = 1,903,180,619,364,410.50
  5. Step 5: Solve for x
    x = 1,903,180,619,364,410.50/56,894,689.68
  6. Step 6: Final answer
    x = 33,450,935.93

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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.