Home / 115,689,890.40-173,198,912.40-112,330,658.40

Finding the Fourth Proportional to 115,689,890.40, 173,198,912.40 and 112,330,658.40

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Solution

The fourth proportional to 115,689,890.40, 173,198,912.40 and 112,330,658.40 is: 168,169,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,689,890.40 : 173,198,912.40 = 112,330,658.40 : x
  2. Step 2: Convert to fraction form
    115,689,890.40/173,198,912.40 = 112,330,658.40/x
  3. Step 3: Cross multiply
    115,689,890.40x = 173,198,912.40 × 112,330,658.40
  4. Step 4: Simplify right side
    115,689,890.40x = 19,455,547,864,055,924
  5. Step 5: Solve for x
    x = 19,455,547,864,055,924/115,689,890.40
  6. Step 6: Final answer
    x = 168,169,818.44

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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.