Home / 39,815,999.20-59,723,998.80-38,931,263.20

Finding the Fourth Proportional to 39,815,999.20, 59,723,998.80 and 38,931,263.20

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Solution

The fourth proportional to 39,815,999.20, 59,723,998.80 and 38,931,263.20 is: 58,396,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815,999.20 : 59,723,998.80 = 38,931,263.20 : x
  2. Step 2: Convert to fraction form
    39,815,999.20/59,723,998.80 = 38,931,263.20/x
  3. Step 3: Cross multiply
    39,815,999.20x = 59,723,998.80 × 38,931,263.20
  4. Step 4: Simplify right side
    39,815,999.20x = 2,325,130,716,639,284
  5. Step 5: Solve for x
    x = 2,325,130,716,639,284/39,815,999.20
  6. Step 6: Final answer
    x = 58,396,894.80

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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.