Home / 342,144,000.45-513,216,000.68-99,806,904.45

Finding the Fourth Proportional to 342,144,000.45, 513,216,000.68 and 99,806,904.45

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Solution

The fourth proportional to 342,144,000.45, 513,216,000.68 and 99,806,904.45 is: 149,710,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,000.45 : 513,216,000.68 = 99,806,904.45 : x
  2. Step 2: Convert to fraction form
    342,144,000.45/513,216,000.68 = 99,806,904.45/x
  3. Step 3: Cross multiply
    342,144,000.45x = 513,216,000.68 × 99,806,904.45
  4. Step 4: Simplify right side
    342,144,000.45x = 51,222,500,341,580,864
  5. Step 5: Solve for x
    x = 51,222,500,341,580,864/342,144,000.45
  6. Step 6: Final answer
    x = 149,710,356.68

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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.