Home / 198,133,046.40-297,199,569.60-52,566,326.40

Finding the Fourth Proportional to 198,133,046.40, 297,199,569.60 and 52,566,326.40

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Solution

The fourth proportional to 198,133,046.40, 297,199,569.60 and 52,566,326.40 is: 78,849,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,133,046.40 : 297,199,569.60 = 52,566,326.40 : x
  2. Step 2: Convert to fraction form
    198,133,046.40/297,199,569.60 = 52,566,326.40/x
  3. Step 3: Cross multiply
    198,133,046.40x = 297,199,569.60 × 52,566,326.40
  4. Step 4: Simplify right side
    198,133,046.40x = 15,622,689,581,533,118
  5. Step 5: Solve for x
    x = 15,622,689,581,533,118/198,133,046.40
  6. Step 6: Final answer
    x = 78,849,489.60

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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.