Home / 39,857,009.70-59,785,514.55-30,220,212.90

Finding the Fourth Proportional to 39,857,009.70, 59,785,514.55 and 30,220,212.90

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Solution

The fourth proportional to 39,857,009.70, 59,785,514.55 and 30,220,212.90 is: 45,330,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,857,009.70 : 59,785,514.55 = 30,220,212.90 : x
  2. Step 2: Convert to fraction form
    39,857,009.70/59,785,514.55 = 30,220,212.90/x
  3. Step 3: Cross multiply
    39,857,009.70x = 59,785,514.55 × 30,220,212.90
  4. Step 4: Simplify right side
    39,857,009.70x = 1,806,730,978,037,047.50
  5. Step 5: Solve for x
    x = 1,806,730,978,037,047.50/39,857,009.70
  6. Step 6: Final answer
    x = 45,330,319.35

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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.