Home / 248,433,335.20-372,650,002.80-84,855,795.40

Finding the Fourth Proportional to 248,433,335.20, 372,650,002.80 and 84,855,795.40

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Solution

The fourth proportional to 248,433,335.20, 372,650,002.80 and 84,855,795.40 is: 127,283,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,433,335.20 : 372,650,002.80 = 84,855,795.40 : x
  2. Step 2: Convert to fraction form
    248,433,335.20/372,650,002.80 = 84,855,795.40/x
  3. Step 3: Cross multiply
    248,433,335.20x = 372,650,002.80 × 84,855,795.40
  4. Step 4: Simplify right side
    248,433,335.20x = 31,621,512,393,406,232
  5. Step 5: Solve for x
    x = 31,621,512,393,406,232/248,433,335.20
  6. Step 6: Final answer
    x = 127,283,693.10

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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.