Home / 53,901,031.40-80,851,547.10-21,536,930.60

Finding the Fourth Proportional to 53,901,031.40, 80,851,547.10 and 21,536,930.60

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Solution

The fourth proportional to 53,901,031.40, 80,851,547.10 and 21,536,930.60 is: 32,305,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901,031.40 : 80,851,547.10 = 21,536,930.60 : x
  2. Step 2: Convert to fraction form
    53,901,031.40/80,851,547.10 = 21,536,930.60/x
  3. Step 3: Cross multiply
    53,901,031.40x = 80,851,547.10 × 21,536,930.60
  4. Step 4: Simplify right side
    53,901,031.40x = 1,741,294,158,795,331.25
  5. Step 5: Solve for x
    x = 1,741,294,158,795,331.25/53,901,031.40
  6. Step 6: Final answer
    x = 32,305,395.90

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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.