Home / 89,346,835.20-134,020,252.80-28,762,561.20

Finding the Fourth Proportional to 89,346,835.20, 134,020,252.80 and 28,762,561.20

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Solution

The fourth proportional to 89,346,835.20, 134,020,252.80 and 28,762,561.20 is: 43,143,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,346,835.20 : 134,020,252.80 = 28,762,561.20 : x
  2. Step 2: Convert to fraction form
    89,346,835.20/134,020,252.80 = 28,762,561.20/x
  3. Step 3: Cross multiply
    89,346,835.20x = 134,020,252.80 × 28,762,561.20
  4. Step 4: Simplify right side
    89,346,835.20x = 3,854,765,723,199,471
  5. Step 5: Solve for x
    x = 3,854,765,723,199,471/89,346,835.20
  6. Step 6: Final answer
    x = 43,143,841.80

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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.