Home / 119,395,428.40-179,048,905.80-38,619,031.60

Finding the Fourth Proportional to 119,395,428.40, 179,048,905.80 and 38,619,031.60

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Solution

The fourth proportional to 119,395,428.40, 179,048,905.80 and 38,619,031.60 is: 57,914,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,395,428.40 : 179,048,905.80 = 38,619,031.60 : x
  2. Step 2: Convert to fraction form
    119,395,428.40/179,048,905.80 = 38,619,031.60/x
  3. Step 3: Cross multiply
    119,395,428.40x = 179,048,905.80 × 38,619,031.60
  4. Step 4: Simplify right side
    119,395,428.40x = 6,914,695,351,035,624
  5. Step 5: Solve for x
    x = 6,914,695,351,035,624/119,395,428.40
  6. Step 6: Final answer
    x = 57,914,238.79

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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.