Home / 82,467,668.58-113,791,727.76-47,663,599.92

Finding the Fourth Proportional to 82,467,668.58, 113,791,727.76 and 47,663,599.92

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Solution

The fourth proportional to 82,467,668.58, 113,791,727.76 and 47,663,599.92 is: 65,767,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,467,668.58 : 113,791,727.76 = 47,663,599.92 : x
  2. Step 2: Convert to fraction form
    82,467,668.58/113,791,727.76 = 47,663,599.92/x
  3. Step 3: Cross multiply
    82,467,668.58x = 113,791,727.76 × 47,663,599.92
  4. Step 4: Simplify right side
    82,467,668.58x = 5,423,723,386,158,198
  5. Step 5: Solve for x
    x = 5,423,723,386,158,198/82,467,668.58
  6. Step 6: Final answer
    x = 65,767,875.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.