Home / 162,158,315.73-223,775,709.91-87,818,272.21

Finding the Fourth Proportional to 162,158,315.73, 223,775,709.91 and 87,818,272.21

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Solution

The fourth proportional to 162,158,315.73, 223,775,709.91 and 87,818,272.21 is: 121,187,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,158,315.73 : 223,775,709.91 = 87,818,272.21 : x
  2. Step 2: Convert to fraction form
    162,158,315.73/223,775,709.91 = 87,818,272.21/x
  3. Step 3: Cross multiply
    162,158,315.73x = 223,775,709.91 × 87,818,272.21
  4. Step 4: Simplify right side
    162,158,315.73x = 19,651,596,206,862,372
  5. Step 5: Solve for x
    x = 19,651,596,206,862,372/162,158,315.73
  6. Step 6: Final answer
    x = 121,187,717.81

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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.