Home / 79,863,126.21-119,807,926.11-28,034,281.14

Finding the Fourth Proportional to 79,863,126.21, 119,807,926.11 and 28,034,281.14

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Solution

The fourth proportional to 79,863,126.21, 119,807,926.11 and 28,034,281.14 is: 42,056,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863,126.21 : 119,807,926.11 = 28,034,281.14 : x
  2. Step 2: Convert to fraction form
    79,863,126.21/119,807,926.11 = 28,034,281.14/x
  3. Step 3: Cross multiply
    79,863,126.21x = 119,807,926.11 × 28,034,281.14
  4. Step 4: Simplify right side
    79,863,126.21x = 3,358,729,083,368,086.50
  5. Step 5: Solve for x
    x = 3,358,729,083,368,086.50/79,863,126.21
  6. Step 6: Final answer
    x = 42,056,068.21

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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.