Home / 79,863,054.63-119,807,818.76-28,034,209.44

Finding the Fourth Proportional to 79,863,054.63, 119,807,818.76 and 28,034,209.44

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Solution

The fourth proportional to 79,863,054.63, 119,807,818.76 and 28,034,209.44 is: 42,055,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863,054.63 : 119,807,818.76 = 28,034,209.44 : x
  2. Step 2: Convert to fraction form
    79,863,054.63/119,807,818.76 = 28,034,209.44/x
  3. Step 3: Cross multiply
    79,863,054.63x = 119,807,818.76 × 28,034,209.44
  4. Step 4: Simplify right side
    79,863,054.63x = 3,358,717,483,667,401.50
  5. Step 5: Solve for x
    x = 3,358,717,483,667,401.50/79,863,054.63
  6. Step 6: Final answer
    x = 42,055,960.66

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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.