Home / 112,397,631.98-168,608,011.64-42,426,798.14

Finding the Fourth Proportional to 112,397,631.98, 168,608,011.64 and 42,426,798.14

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Solution

The fourth proportional to 112,397,631.98, 168,608,011.64 and 42,426,798.14 is: 63,644,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,397,631.98 : 168,608,011.64 = 42,426,798.14 : x
  2. Step 2: Convert to fraction form
    112,397,631.98/168,608,011.64 = 42,426,798.14/x
  3. Step 3: Cross multiply
    112,397,631.98x = 168,608,011.64 × 42,426,798.14
  4. Step 4: Simplify right side
    112,397,631.98x = 7,153,498,073,581,876
  5. Step 5: Solve for x
    x = 7,153,498,073,581,876/112,397,631.98
  6. Step 6: Final answer
    x = 63,644,562.15

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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.