Home / 43,078,838.40-64,618,257.60-30,985,603.20

Finding the Fourth Proportional to 43,078,838.40, 64,618,257.60 and 30,985,603.20

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Solution

The fourth proportional to 43,078,838.40, 64,618,257.60 and 30,985,603.20 is: 46,478,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,078,838.40 : 64,618,257.60 = 30,985,603.20 : x
  2. Step 2: Convert to fraction form
    43,078,838.40/64,618,257.60 = 30,985,603.20/x
  3. Step 3: Cross multiply
    43,078,838.40x = 64,618,257.60 × 30,985,603.20
  4. Step 4: Simplify right side
    43,078,838.40x = 2,002,235,689,468,984.25
  5. Step 5: Solve for x
    x = 2,002,235,689,468,984.25/43,078,838.40
  6. Step 6: Final answer
    x = 46,478,404.80

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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.