Home / 112,123,040.10-168,184,560.15-73,380,991.20

Finding the Fourth Proportional to 112,123,040.10, 168,184,560.15 and 73,380,991.20

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Solution

The fourth proportional to 112,123,040.10, 168,184,560.15 and 73,380,991.20 is: 110,071,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,123,040.10 : 168,184,560.15 = 73,380,991.20 : x
  2. Step 2: Convert to fraction form
    112,123,040.10/168,184,560.15 = 73,380,991.20/x
  3. Step 3: Cross multiply
    112,123,040.10x = 168,184,560.15 × 73,380,991.20
  4. Step 4: Simplify right side
    112,123,040.10x = 12,341,549,728,343,022
  5. Step 5: Solve for x
    x = 12,341,549,728,343,022/112,123,040.10
  6. Step 6: Final answer
    x = 110,071,486.80

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1.5x scale

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.