Home / 326,776,711.68-490,164,768.02-102,430,019.67

Finding the Fourth Proportional to 326,776,711.68, 490,164,768.02 and 102,430,019.67

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Solution

The fourth proportional to 326,776,711.68, 490,164,768.02 and 102,430,019.67 is: 153,644,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,776,711.68 : 490,164,768.02 = 102,430,019.67 : x
  2. Step 2: Convert to fraction form
    326,776,711.68/490,164,768.02 = 102,430,019.67/x
  3. Step 3: Cross multiply
    326,776,711.68x = 490,164,768.02 × 102,430,019.67
  4. Step 4: Simplify right side
    326,776,711.68x = 50,207,586,829,829,584
  5. Step 5: Solve for x
    x = 50,207,586,829,829,584/326,776,711.68
  6. Step 6: Final answer
    x = 153,644,935.63

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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.