Home / 112,156,815.60-168,235,223.40-51,690,639.60

Finding the Fourth Proportional to 112,156,815.60, 168,235,223.40 and 51,690,639.60

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Solution

The fourth proportional to 112,156,815.60, 168,235,223.40 and 51,690,639.60 is: 77,535,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,156,815.60 : 168,235,223.40 = 51,690,639.60 : x
  2. Step 2: Convert to fraction form
    112,156,815.60/168,235,223.40 = 51,690,639.60/x
  3. Step 3: Cross multiply
    112,156,815.60x = 168,235,223.40 × 51,690,639.60
  4. Step 4: Simplify right side
    112,156,815.60x = 8,696,186,300,794,887
  5. Step 5: Solve for x
    x = 8,696,186,300,794,887/112,156,815.60
  6. Step 6: Final answer
    x = 77,535,959.40

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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.