Home / 112,358,266.80-168,537,400.20-31,579,234.80

Finding the Fourth Proportional to 112,358,266.80, 168,537,400.20 and 31,579,234.80

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Solution

The fourth proportional to 112,358,266.80, 168,537,400.20 and 31,579,234.80 is: 47,368,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,358,266.80 : 168,537,400.20 = 31,579,234.80 : x
  2. Step 2: Convert to fraction form
    112,358,266.80/168,537,400.20 = 31,579,234.80/x
  3. Step 3: Cross multiply
    112,358,266.80x = 168,537,400.20 × 31,579,234.80
  4. Step 4: Simplify right side
    112,358,266.80x = 5,322,282,133,497,367
  5. Step 5: Solve for x
    x = 5,322,282,133,497,367/112,358,266.80
  6. Step 6: Final answer
    x = 47,368,852.20

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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.