Home / 60,509,182.40-90,751,963.80-20,119,666.40

Finding the Fourth Proportional to 60,509,182.40, 90,751,963.80 and 20,119,666.40

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Solution

The fourth proportional to 60,509,182.40, 90,751,963.80 and 20,119,666.40 is: 30,175,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,509,182.40 : 90,751,963.80 = 20,119,666.40 : x
  2. Step 2: Convert to fraction form
    60,509,182.40/90,751,963.80 = 20,119,666.40/x
  3. Step 3: Cross multiply
    60,509,182.40x = 90,751,963.80 × 20,119,666.40
  4. Step 4: Simplify right side
    60,509,182.40x = 1,825,899,236,800,876
  5. Step 5: Solve for x
    x = 1,825,899,236,800,876/60,509,182.40
  6. Step 6: Final answer
    x = 30,175,572.77

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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.