Home / 162,158,315.29-223,775,709.31-87,818,271.77

Finding the Fourth Proportional to 162,158,315.29, 223,775,709.31 and 87,818,271.77

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Solution

The fourth proportional to 162,158,315.29, 223,775,709.31 and 87,818,271.77 is: 121,187,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,158,315.29 : 223,775,709.31 = 87,818,271.77 : x
  2. Step 2: Convert to fraction form
    162,158,315.29/223,775,709.31 = 87,818,271.77/x
  3. Step 3: Cross multiply
    162,158,315.29x = 223,775,709.31 × 87,818,271.77
  4. Step 4: Simplify right side
    162,158,315.29x = 19,651,596,056,379,308
  5. Step 5: Solve for x
    x = 19,651,596,056,379,308/162,158,315.29
  6. Step 6: Final answer
    x = 121,187,717.21

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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.