Home / 112,074,829.20-168,112,243.80-39,373,700.40

Finding the Fourth Proportional to 112,074,829.20, 168,112,243.80 and 39,373,700.40

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Solution

The fourth proportional to 112,074,829.20, 168,112,243.80 and 39,373,700.40 is: 59,060,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,074,829.20 : 168,112,243.80 = 39,373,700.40 : x
  2. Step 2: Convert to fraction form
    112,074,829.20/168,112,243.80 = 39,373,700.40/x
  3. Step 3: Cross multiply
    112,074,829.20x = 168,112,243.80 × 39,373,700.40
  4. Step 4: Simplify right side
    112,074,829.20x = 6,619,201,120,952,958
  5. Step 5: Solve for x
    x = 6,619,201,120,952,958/112,074,829.20
  6. Step 6: Final answer
    x = 59,060,550.60

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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.