Home / 53,992,937.20-80,996,509.80-19,938,204.40

Finding the Fourth Proportional to 53,992,937.20, 80,996,509.80 and 19,938,204.40

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Solution

The fourth proportional to 53,992,937.20, 80,996,509.80 and 19,938,204.40 is: 29,909,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,992,937.20 : 80,996,509.80 = 19,938,204.40 : x
  2. Step 2: Convert to fraction form
    53,992,937.20/80,996,509.80 = 19,938,204.40/x
  3. Step 3: Cross multiply
    53,992,937.20x = 80,996,509.80 × 19,938,204.40
  4. Step 4: Simplify right side
    53,992,937.20x = 1,614,924,968,079,003
  5. Step 5: Solve for x
    x = 1,614,924,968,079,003/53,992,937.20
  6. Step 6: Final answer
    x = 29,909,929.92

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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.