Home / 246,779,620.78-340,357,303.20-216,946,481.25

Finding the Fourth Proportional to 246,779,620.78, 340,357,303.20 and 216,946,481.25

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Solution

The fourth proportional to 246,779,620.78, 340,357,303.20 and 216,946,481.25 is: 299,211,576.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,779,620.78 : 340,357,303.20 = 216,946,481.25 : x
  2. Step 2: Convert to fraction form
    246,779,620.78/340,357,303.20 = 216,946,481.25/x
  3. Step 3: Cross multiply
    246,779,620.78x = 340,357,303.20 × 216,946,481.25
  4. Step 4: Simplify right side
    246,779,620.78x = 73,839,319,299,129,712
  5. Step 5: Solve for x
    x = 73,839,319,299,129,712/246,779,620.78
  6. Step 6: Final answer
    x = 299,211,576.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.