Home / 112,537,319.80-168,782,359.77-31,739,392.12

Finding the Fourth Proportional to 112,537,319.80, 168,782,359.77 and 31,739,392.12

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Solution

The fourth proportional to 112,537,319.80, 168,782,359.77 and 31,739,392.12 is: 47,602,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,537,319.80 : 168,782,359.77 = 31,739,392.12 : x
  2. Step 2: Convert to fraction form
    112,537,319.80/168,782,359.77 = 31,739,392.12/x
  3. Step 3: Cross multiply
    112,537,319.80x = 168,782,359.77 × 31,739,392.12
  4. Step 4: Simplify right side
    112,537,319.80x = 5,357,049,499,678,944
  5. Step 5: Solve for x
    x = 5,357,049,499,678,944/112,537,319.80
  6. Step 6: Final answer
    x = 47,602,426.55

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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.