Home / 83,054,300.70-124,581,451.05-39,913,101.30

Finding the Fourth Proportional to 83,054,300.70, 124,581,451.05 and 39,913,101.30

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Solution

The fourth proportional to 83,054,300.70, 124,581,451.05 and 39,913,101.30 is: 59,869,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,054,300.70 : 124,581,451.05 = 39,913,101.30 : x
  2. Step 2: Convert to fraction form
    83,054,300.70/124,581,451.05 = 39,913,101.30/x
  3. Step 3: Cross multiply
    83,054,300.70x = 124,581,451.05 × 39,913,101.30
  4. Step 4: Simplify right side
    83,054,300.70x = 4,972,432,075,859,641
  5. Step 5: Solve for x
    x = 4,972,432,075,859,641/83,054,300.70
  6. Step 6: Final answer
    x = 59,869,651.95

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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.