Home / 60,493,159.80-90,739,739.70-20,103,643.80

Finding the Fourth Proportional to 60,493,159.80, 90,739,739.70 and 20,103,643.80

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Solution

The fourth proportional to 60,493,159.80, 90,739,739.70 and 20,103,643.80 is: 30,155,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,493,159.80 : 90,739,739.70 = 20,103,643.80 : x
  2. Step 2: Convert to fraction form
    60,493,159.80/90,739,739.70 = 20,103,643.80/x
  3. Step 3: Cross multiply
    60,493,159.80x = 90,739,739.70 × 20,103,643.80
  4. Step 4: Simplify right side
    60,493,159.80x = 1,824,199,405,433,519
  5. Step 5: Solve for x
    x = 1,824,199,405,433,519/60,493,159.80
  6. Step 6: Final answer
    x = 30,155,465.70

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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.