Home / 112,710,918.51-168,948,390.42-47,169,610.11

Finding the Fourth Proportional to 112,710,918.51, 168,948,390.42 and 47,169,610.11

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Solution

The fourth proportional to 112,710,918.51, 168,948,390.42 and 47,169,610.11 is: 70,705,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,710,918.51 : 168,948,390.42 = 47,169,610.11 : x
  2. Step 2: Convert to fraction form
    112,710,918.51/168,948,390.42 = 47,169,610.11/x
  3. Step 3: Cross multiply
    112,710,918.51x = 168,948,390.42 × 47,169,610.11
  4. Step 4: Simplify right side
    112,710,918.51x = 7,969,229,704,823,458
  5. Step 5: Solve for x
    x = 7,969,229,704,823,458/112,710,918.51
  6. Step 6: Final answer
    x = 70,705,037.37

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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.