Home / 130,927,789.74-196,169,443.50-79,003,291.46

Finding the Fourth Proportional to 130,927,789.74, 196,169,443.50 and 79,003,291.46

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Solution

The fourth proportional to 130,927,789.74, 196,169,443.50 and 79,003,291.46 is: 118,370,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,927,789.74 : 196,169,443.50 = 79,003,291.46 : x
  2. Step 2: Convert to fraction form
    130,927,789.74/196,169,443.50 = 79,003,291.46/x
  3. Step 3: Cross multiply
    130,927,789.74x = 196,169,443.50 × 79,003,291.46
  4. Step 4: Simplify right side
    130,927,789.74x = 15,498,031,719,395,654
  5. Step 5: Solve for x
    x = 15,498,031,719,395,654/130,927,789.74
  6. Step 6: Final answer
    x = 118,370,834.41

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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.