Home / 162,008,826.08-223,572,768.63-87,669,378.79

Finding the Fourth Proportional to 162,008,826.08, 223,572,768.63 and 87,669,378.79

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Solution

The fourth proportional to 162,008,826.08, 223,572,768.63 and 87,669,378.79 is: 120,984,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,008,826.08 : 223,572,768.63 = 87,669,378.79 : x
  2. Step 2: Convert to fraction form
    162,008,826.08/223,572,768.63 = 87,669,378.79/x
  3. Step 3: Cross multiply
    162,008,826.08x = 223,572,768.63 × 87,669,378.79
  4. Step 4: Simplify right side
    162,008,826.08x = 19,600,485,739,034,636
  5. Step 5: Solve for x
    x = 19,600,485,739,034,636/162,008,826.08
  6. Step 6: Final answer
    x = 120,984,061.26

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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.