Home / 198,067,893.12-297,006,278.72-83,021,545.44

Finding the Fourth Proportional to 198,067,893.12, 297,006,278.72 and 83,021,545.44

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Solution

The fourth proportional to 198,067,893.12, 297,006,278.72 and 83,021,545.44 is: 124,492,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,067,893.12 : 297,006,278.72 = 83,021,545.44 : x
  2. Step 2: Convert to fraction form
    198,067,893.12/297,006,278.72 = 83,021,545.44/x
  3. Step 3: Cross multiply
    198,067,893.12x = 297,006,278.72 × 83,021,545.44
  4. Step 4: Simplify right side
    198,067,893.12x = 24,657,920,264,302,676
  5. Step 5: Solve for x
    x = 24,657,920,264,302,676/198,067,893.12
  6. Step 6: Final answer
    x = 124,492,263.11

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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.