Home / 198,782,598.84-273,711,592.71-198,208,642.56

Finding the Fourth Proportional to 198,782,598.84, 273,711,592.71 and 198,208,642.56

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Solution

The fourth proportional to 198,782,598.84, 273,711,592.71 and 198,208,642.56 is: 272,921,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,782,598.84 : 273,711,592.71 = 198,208,642.56 : x
  2. Step 2: Convert to fraction form
    198,782,598.84/273,711,592.71 = 198,208,642.56/x
  3. Step 3: Cross multiply
    198,782,598.84x = 273,711,592.71 × 198,208,642.56
  4. Step 4: Simplify right side
    198,782,598.84x = 54,252,003,243,984,688
  5. Step 5: Solve for x
    x = 54,252,003,243,984,688/198,782,598.84
  6. Step 6: Final answer
    x = 272,921,289.69

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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.