Home / 112,537,379.39-168,782,449.48-31,739,451.71

Finding the Fourth Proportional to 112,537,379.39, 168,782,449.48 and 31,739,451.71

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Solution

The fourth proportional to 112,537,379.39, 168,782,449.48 and 31,739,451.71 is: 47,602,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,537,379.39 : 168,782,449.48 = 31,739,451.71 : x
  2. Step 2: Convert to fraction form
    112,537,379.39/168,782,449.48 = 31,739,451.71/x
  3. Step 3: Cross multiply
    112,537,379.39x = 168,782,449.48 × 31,739,451.71
  4. Step 4: Simplify right side
    112,537,379.39x = 5,357,062,403,842,713
  5. Step 5: Solve for x
    x = 5,357,062,403,842,713/112,537,379.39
  6. Step 6: Final answer
    x = 47,602,516.01

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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.