Home / 45,521,108.40-68,281,662.60-42,497,799.60

Finding the Fourth Proportional to 45,521,108.40, 68,281,662.60 and 42,497,799.60

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Solution

The fourth proportional to 45,521,108.40, 68,281,662.60 and 42,497,799.60 is: 63,746,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,521,108.40 : 68,281,662.60 = 42,497,799.60 : x
  2. Step 2: Convert to fraction form
    45,521,108.40/68,281,662.60 = 42,497,799.60/x
  3. Step 3: Cross multiply
    45,521,108.40x = 68,281,662.60 × 42,497,799.60
  4. Step 4: Simplify right side
    45,521,108.40x = 2,901,820,413,529,615
  5. Step 5: Solve for x
    x = 2,901,820,413,529,615/45,521,108.40
  6. Step 6: Final answer
    x = 63,746,699.40

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Similar ratio
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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.