Home / 47,390,135.40-71,085,203.10-21,880,967.40

Finding the Fourth Proportional to 47,390,135.40, 71,085,203.10 and 21,880,967.40

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Solution

The fourth proportional to 47,390,135.40, 71,085,203.10 and 21,880,967.40 is: 32,821,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390,135.40 : 71,085,203.10 = 21,880,967.40 : x
  2. Step 2: Convert to fraction form
    47,390,135.40/71,085,203.10 = 21,880,967.40/x
  3. Step 3: Cross multiply
    47,390,135.40x = 71,085,203.10 × 21,880,967.40
  4. Step 4: Simplify right side
    47,390,135.40x = 1,555,413,011,653,478.75
  5. Step 5: Solve for x
    x = 1,555,413,011,653,478.75/47,390,135.40
  6. Step 6: Final answer
    x = 32,821,451.10

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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.