Home / 39,169,460.40-58,716,865.80-30,528,769.20

Finding the Fourth Proportional to 39,169,460.40, 58,716,865.80 and 30,528,769.20

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Solution

The fourth proportional to 39,169,460.40, 58,716,865.80 and 30,528,769.20 is: 45,764,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169,460.40 : 58,716,865.80 = 30,528,769.20 : x
  2. Step 2: Convert to fraction form
    39,169,460.40/58,716,865.80 = 30,528,769.20/x
  3. Step 3: Cross multiply
    39,169,460.40x = 58,716,865.80 × 30,528,769.20
  4. Step 4: Simplify right side
    39,169,460.40x = 1,792,553,644,155,573.25
  5. Step 5: Solve for x
    x = 1,792,553,644,155,573.25/39,169,460.40
  6. Step 6: Final answer
    x = 45,764,062.76

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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.