Home / 320,779,749.11-442,600,181.93-181,550,510.82

Finding the Fourth Proportional to 320,779,749.11, 442,600,181.93 and 181,550,510.82

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Solution

The fourth proportional to 320,779,749.11, 442,600,181.93 and 181,550,510.82 is: 250,496,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,779,749.11 : 442,600,181.93 = 181,550,510.82 : x
  2. Step 2: Convert to fraction form
    320,779,749.11/442,600,181.93 = 181,550,510.82/x
  3. Step 3: Cross multiply
    320,779,749.11x = 442,600,181.93 × 181,550,510.82
  4. Step 4: Simplify right side
    320,779,749.11x = 80,354,289,117,508,672
  5. Step 5: Solve for x
    x = 80,354,289,117,508,672/320,779,749.11
  6. Step 6: Final answer
    x = 250,496,764.03

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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.