Home / 326,776,710.68-490,164,766.53-102,430,018.67

Finding the Fourth Proportional to 326,776,710.68, 490,164,766.53 and 102,430,018.67

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Solution

The fourth proportional to 326,776,710.68, 490,164,766.53 and 102,430,018.67 is: 153,644,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,776,710.68 : 490,164,766.53 = 102,430,018.67 : x
  2. Step 2: Convert to fraction form
    326,776,710.68/490,164,766.53 = 102,430,018.67/x
  3. Step 3: Cross multiply
    326,776,710.68x = 490,164,766.53 × 102,430,018.67
  4. Step 4: Simplify right side
    326,776,710.68x = 50,207,586,184,081,120
  5. Step 5: Solve for x
    x = 50,207,586,184,081,120/326,776,710.68
  6. Step 6: Final answer
    x = 153,644,934.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.