Home / 248,508,001.20-372,762,001.80-84,930,461.40

Finding the Fourth Proportional to 248,508,001.20, 372,762,001.80 and 84,930,461.40

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Solution

The fourth proportional to 248,508,001.20, 372,762,001.80 and 84,930,461.40 is: 127,395,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,508,001.20 : 372,762,001.80 = 84,930,461.40 : x
  2. Step 2: Convert to fraction form
    248,508,001.20/372,762,001.80 = 84,930,461.40/x
  3. Step 3: Cross multiply
    248,508,001.20x = 372,762,001.80 × 84,930,461.40
  4. Step 4: Simplify right side
    248,508,001.20x = 31,658,848,805,261,632
  5. Step 5: Solve for x
    x = 31,658,848,805,261,632/248,508,001.20
  6. Step 6: Final answer
    x = 127,395,692.10

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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.