Home / 112,537,379.14-168,782,449.10-31,739,451.46

Finding the Fourth Proportional to 112,537,379.14, 168,782,449.10 and 31,739,451.46

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Solution

The fourth proportional to 112,537,379.14, 168,782,449.10 and 31,739,451.46 is: 47,602,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,537,379.14 : 168,782,449.10 = 31,739,451.46 : x
  2. Step 2: Convert to fraction form
    112,537,379.14/168,782,449.10 = 31,739,451.46/x
  3. Step 3: Cross multiply
    112,537,379.14x = 168,782,449.10 × 31,739,451.46
  4. Step 4: Simplify right side
    112,537,379.14x = 5,357,062,350,509,371
  5. Step 5: Solve for x
    x = 5,357,062,350,509,371/112,537,379.14
  6. Step 6: Final answer
    x = 47,602,515.64

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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.