Home / 112,900,733.52-155,512,715.91-79,804,082.70

Finding the Fourth Proportional to 112,900,733.52, 155,512,715.91 and 79,804,082.70

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Solution

The fourth proportional to 112,900,733.52, 155,512,715.91 and 79,804,082.70 is: 109,924,437.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,900,733.52 : 155,512,715.91 = 79,804,082.70 : x
  2. Step 2: Convert to fraction form
    112,900,733.52/155,512,715.91 = 79,804,082.70/x
  3. Step 3: Cross multiply
    112,900,733.52x = 155,512,715.91 × 79,804,082.70
  4. Step 4: Simplify right side
    112,900,733.52x = 12,410,549,641,383,246
  5. Step 5: Solve for x
    x = 12,410,549,641,383,246/112,900,733.52
  6. Step 6: Final answer
    x = 109,924,437.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.