Home / 124,171,297.20-186,276,628.80-42,297,890.40

Finding the Fourth Proportional to 124,171,297.20, 186,276,628.80 and 42,297,890.40

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Solution

The fourth proportional to 124,171,297.20, 186,276,628.80 and 42,297,890.40 is: 63,453,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,171,297.20 : 186,276,628.80 = 42,297,890.40 : x
  2. Step 2: Convert to fraction form
    124,171,297.20/186,276,628.80 = 42,297,890.40/x
  3. Step 3: Cross multiply
    124,171,297.20x = 186,276,628.80 × 42,297,890.40
  4. Step 4: Simplify right side
    124,171,297.20x = 7,879,108,429,063,884
  5. Step 5: Solve for x
    x = 7,879,108,429,063,884/124,171,297.20
  6. Step 6: Final answer
    x = 63,453,540.45

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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.