Home / 112,994,105.10-155,948,883.60-68,966,688.66

Finding the Fourth Proportional to 112,994,105.10, 155,948,883.60 and 68,966,688.66

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Solution

The fourth proportional to 112,994,105.10, 155,948,883.60 and 68,966,688.66 is: 95,184,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,994,105.10 : 155,948,883.60 = 68,966,688.66 : x
  2. Step 2: Convert to fraction form
    112,994,105.10/155,948,883.60 = 68,966,688.66/x
  3. Step 3: Cross multiply
    112,994,105.10x = 155,948,883.60 × 68,966,688.66
  4. Step 4: Simplify right side
    112,994,105.10x = 10,755,278,102,115,780
  5. Step 5: Solve for x
    x = 10,755,278,102,115,780/112,994,105.10
  6. Step 6: Final answer
    x = 95,184,417.74

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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.