Home / 130,142,149.20-179,596,150.83-74,388,761.37

Finding the Fourth Proportional to 130,142,149.20, 179,596,150.83 and 74,388,761.37

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Solution

The fourth proportional to 130,142,149.20, 179,596,150.83 and 74,388,761.37 is: 102,656,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,142,149.20 : 179,596,150.83 = 74,388,761.37 : x
  2. Step 2: Convert to fraction form
    130,142,149.20/179,596,150.83 = 74,388,761.37/x
  3. Step 3: Cross multiply
    130,142,149.20x = 179,596,150.83 × 74,388,761.37
  4. Step 4: Simplify right side
    130,142,149.20x = 13,359,935,207,063,400
  5. Step 5: Solve for x
    x = 13,359,935,207,063,400/130,142,149.20
  6. Step 6: Final answer
    x = 102,656,482.08

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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.