Home / 79,854,325.44-119,781,499.68-19,270,051.68

Finding the Fourth Proportional to 79,854,325.44, 119,781,499.68 and 19,270,051.68

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Solution

The fourth proportional to 79,854,325.44, 119,781,499.68 and 19,270,051.68 is: 28,905,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,854,325.44 : 119,781,499.68 = 19,270,051.68 : x
  2. Step 2: Convert to fraction form
    79,854,325.44/119,781,499.68 = 19,270,051.68/x
  3. Step 3: Cross multiply
    79,854,325.44x = 119,781,499.68 × 19,270,051.68
  4. Step 4: Simplify right side
    79,854,325.44x = 2,308,195,689,141,503.50
  5. Step 5: Solve for x
    x = 2,308,195,689,141,503.50/79,854,325.44
  6. Step 6: Final answer
    x = 28,905,080.30

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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.