Home / 79,207,643.10-118,832,459.85-28,084,331.10

Finding the Fourth Proportional to 79,207,643.10, 118,832,459.85 and 28,084,331.10

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Solution

The fourth proportional to 79,207,643.10, 118,832,459.85 and 28,084,331.10 is: 42,133,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,207,643.10 : 118,832,459.85 = 28,084,331.10 : x
  2. Step 2: Convert to fraction form
    79,207,643.10/118,832,459.85 = 28,084,331.10/x
  3. Step 3: Cross multiply
    79,207,643.10x = 118,832,459.85 × 28,084,331.10
  4. Step 4: Simplify right side
    79,207,643.10x = 3,337,330,147,854,856.50
  5. Step 5: Solve for x
    x = 3,337,330,147,854,856.50/79,207,643.10
  6. Step 6: Final answer
    x = 42,133,940.83

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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.