Home / 112,105,688.18-168,077,826.48-68,885,592.80

Finding the Fourth Proportional to 112,105,688.18, 168,077,826.48 and 68,885,592.80

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Solution

The fourth proportional to 112,105,688.18, 168,077,826.48 and 68,885,592.80 is: 103,278,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,105,688.18 : 168,077,826.48 = 68,885,592.80 : x
  2. Step 2: Convert to fraction form
    112,105,688.18/168,077,826.48 = 68,885,592.80/x
  3. Step 3: Cross multiply
    112,105,688.18x = 168,077,826.48 × 68,885,592.80
  4. Step 4: Simplify right side
    112,105,688.18x = 11,578,140,713,610,336
  5. Step 5: Solve for x
    x = 11,578,140,713,610,336/112,105,688.18
  6. Step 6: Final answer
    x = 103,278,797.91

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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.