Home / 248,433,430.20-372,650,145.30-84,855,890.40

Finding the Fourth Proportional to 248,433,430.20, 372,650,145.30 and 84,855,890.40

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Solution

The fourth proportional to 248,433,430.20, 372,650,145.30 and 84,855,890.40 is: 127,283,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,433,430.20 : 372,650,145.30 = 84,855,890.40 : x
  2. Step 2: Convert to fraction form
    248,433,430.20/372,650,145.30 = 84,855,890.40/x
  3. Step 3: Cross multiply
    248,433,430.20x = 372,650,145.30 × 84,855,890.40
  4. Step 4: Simplify right side
    248,433,430.20x = 31,621,559,887,120,880
  5. Step 5: Solve for x
    x = 31,621,559,887,120,880/248,433,430.20
  6. Step 6: Final answer
    x = 127,283,835.60

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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.