Home / 49,716,086.40-74,448,158.40-39,638,390.40

Finding the Fourth Proportional to 49,716,086.40, 74,448,158.40 and 39,638,390.40

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Solution

The fourth proportional to 49,716,086.40, 74,448,158.40 and 39,638,390.40 is: 59,357,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,716,086.40 : 74,448,158.40 = 39,638,390.40 : x
  2. Step 2: Convert to fraction form
    49,716,086.40/74,448,158.40 = 39,638,390.40/x
  3. Step 3: Cross multiply
    49,716,086.40x = 74,448,158.40 × 39,638,390.40
  4. Step 4: Simplify right side
    49,716,086.40x = 2,951,005,167,220,239.50
  5. Step 5: Solve for x
    x = 2,951,005,167,220,239.50/49,716,086.40
  6. Step 6: Final answer
    x = 59,357,149.38

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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.