Home / 162,109,263.94-223,710,488.50-87,769,815.38

Finding the Fourth Proportional to 162,109,263.94, 223,710,488.50 and 87,769,815.38

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Solution

The fourth proportional to 162,109,263.94, 223,710,488.50 and 87,769,815.38 is: 121,122,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,109,263.94 : 223,710,488.50 = 87,769,815.38 : x
  2. Step 2: Convert to fraction form
    162,109,263.94/223,710,488.50 = 87,769,815.38/x
  3. Step 3: Cross multiply
    162,109,263.94x = 223,710,488.50 × 87,769,815.38
  4. Step 4: Simplify right side
    162,109,263.94x = 19,635,028,274,214,612
  5. Step 5: Solve for x
    x = 19,635,028,274,214,612/162,109,263.94
  6. Step 6: Final answer
    x = 121,122,185.11

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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.