Home / 101,580,037.44-140,171,894.13-56,317,993.72

Finding the Fourth Proportional to 101,580,037.44, 140,171,894.13 and 56,317,993.72

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Solution

The fourth proportional to 101,580,037.44, 140,171,894.13 and 56,317,993.72 is: 77,714,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,580,037.44 : 140,171,894.13 = 56,317,993.72 : x
  2. Step 2: Convert to fraction form
    101,580,037.44/140,171,894.13 = 56,317,993.72/x
  3. Step 3: Cross multiply
    101,580,037.44x = 140,171,894.13 × 56,317,993.72
  4. Step 4: Simplify right side
    101,580,037.44x = 7,894,199,853,666,567
  5. Step 5: Solve for x
    x = 7,894,199,853,666,567/101,580,037.44
  6. Step 6: Final answer
    x = 77,714,086.87

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1.5x scale

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.