Home / 119,395,402.40-179,048,866.80-38,619,005.60

Finding the Fourth Proportional to 119,395,402.40, 179,048,866.80 and 38,619,005.60

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Solution

The fourth proportional to 119,395,402.40, 179,048,866.80 and 38,619,005.60 is: 57,914,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,395,402.40 : 179,048,866.80 = 38,619,005.60 : x
  2. Step 2: Convert to fraction form
    119,395,402.40/179,048,866.80 = 38,619,005.60/x
  3. Step 3: Cross multiply
    119,395,402.40x = 179,048,866.80 × 38,619,005.60
  4. Step 4: Simplify right side
    119,395,402.40x = 6,914,689,189,622,855
  5. Step 5: Solve for x
    x = 6,914,689,189,622,855/119,395,402.40
  6. Step 6: Final answer
    x = 57,914,199.80

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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.