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Finding the Fourth Proportional to 40,943,701.80, 61,415,552.70 and 19,420,341.30

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Solution

The fourth proportional to 40,943,701.80, 61,415,552.70 and 19,420,341.30 is: 29,130,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943,701.80 : 61,415,552.70 = 19,420,341.30 : x
  2. Step 2: Convert to fraction form
    40,943,701.80/61,415,552.70 = 19,420,341.30/x
  3. Step 3: Cross multiply
    40,943,701.80x = 61,415,552.70 × 19,420,341.30
  4. Step 4: Simplify right side
    40,943,701.80x = 1,192,710,994,562,136.50
  5. Step 5: Solve for x
    x = 1,192,710,994,562,136.50/40,943,701.80
  6. Step 6: Final answer
    x = 29,130,511.95

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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.