Home / 198,734,365.70-298,133,904.02-58,688,988.42

Finding the Fourth Proportional to 198,734,365.70, 298,133,904.02 and 58,688,988.42

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Solution

The fourth proportional to 198,734,365.70, 298,133,904.02 and 58,688,988.42 is: 88,043,037.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,734,365.70 : 298,133,904.02 = 58,688,988.42 : x
  2. Step 2: Convert to fraction form
    198,734,365.70/298,133,904.02 = 58,688,988.42/x
  3. Step 3: Cross multiply
    198,734,365.70x = 298,133,904.02 × 58,688,988.42
  4. Step 4: Simplify right side
    198,734,365.70x = 17,497,177,240,639,170
  5. Step 5: Solve for x
    x = 17,497,177,240,639,170/198,734,365.70
  6. Step 6: Final answer
    x = 88,043,037.64

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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.