Home / 198,734,362.70-298,133,899.52-58,688,985.42

Finding the Fourth Proportional to 198,734,362.70, 298,133,899.52 and 58,688,985.42

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Solution

The fourth proportional to 198,734,362.70, 298,133,899.52 and 58,688,985.42 is: 88,043,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,734,362.70 : 298,133,899.52 = 58,688,985.42 : x
  2. Step 2: Convert to fraction form
    198,734,362.70/298,133,899.52 = 58,688,985.42/x
  3. Step 3: Cross multiply
    198,734,362.70x = 298,133,899.52 × 58,688,985.42
  4. Step 4: Simplify right side
    198,734,362.70x = 17,497,176,081,843,580
  5. Step 5: Solve for x
    x = 17,497,176,081,843,580/198,734,362.70
  6. Step 6: Final answer
    x = 88,043,033.15

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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.