Home / 79,340,844.45-118,956,935.04-40,403,925.75

Finding the Fourth Proportional to 79,340,844.45, 118,956,935.04 and 40,403,925.75

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Solution

The fourth proportional to 79,340,844.45, 118,956,935.04 and 40,403,925.75 is: 60,578,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340,844.45 : 118,956,935.04 = 40,403,925.75 : x
  2. Step 2: Convert to fraction form
    79,340,844.45/118,956,935.04 = 40,403,925.75/x
  3. Step 3: Cross multiply
    79,340,844.45x = 118,956,935.04 × 40,403,925.75
  4. Step 4: Simplify right side
    79,340,844.45x = 4,806,327,170,803,734
  5. Step 5: Solve for x
    x = 4,806,327,170,803,734/79,340,844.45
  6. Step 6: Final answer
    x = 60,578,220.51

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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.