Home / 112,705,219.80-169,183,800.90-87,259,037.40

Finding the Fourth Proportional to 112,705,219.80, 169,183,800.90 and 87,259,037.40

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Solution

The fourth proportional to 112,705,219.80, 169,183,800.90 and 87,259,037.40 is: 130,986,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,705,219.80 : 169,183,800.90 = 87,259,037.40 : x
  2. Step 2: Convert to fraction form
    112,705,219.80/169,183,800.90 = 87,259,037.40/x
  3. Step 3: Cross multiply
    112,705,219.80x = 169,183,800.90 × 87,259,037.40
  4. Step 4: Simplify right side
    112,705,219.80x = 14,762,815,610,207,256
  5. Step 5: Solve for x
    x = 14,762,815,610,207,256/112,705,219.80
  6. Step 6: Final answer
    x = 130,986,085.97

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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.