Home / 75,537,176.40-113,305,764.60-20,949,656.40

Finding the Fourth Proportional to 75,537,176.40, 113,305,764.60 and 20,949,656.40

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Solution

The fourth proportional to 75,537,176.40, 113,305,764.60 and 20,949,656.40 is: 31,424,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,537,176.40 : 113,305,764.60 = 20,949,656.40 : x
  2. Step 2: Convert to fraction form
    75,537,176.40/113,305,764.60 = 20,949,656.40/x
  3. Step 3: Cross multiply
    75,537,176.40x = 113,305,764.60 × 20,949,656.40
  4. Step 4: Simplify right side
    75,537,176.40x = 2,373,716,836,509,283
  5. Step 5: Solve for x
    x = 2,373,716,836,509,283/75,537,176.40
  6. Step 6: Final answer
    x = 31,424,484.60

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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.