Home / 39,795,645-59,705,650-20,378,618.98

Finding the Fourth Proportional to 39,795,645, 59,705,650 and 20,378,618.98

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Solution

The fourth proportional to 39,795,645, 59,705,650 and 20,378,618.98 is: 30,574,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,795,645 : 59,705,650 = 20,378,618.98 : x
  2. Step 2: Convert to fraction form
    39,795,645/59,705,650 = 20,378,618.98/x
  3. Step 3: Cross multiply
    39,795,645x = 59,705,650 × 20,378,618.98
  4. Step 4: Simplify right side
    39,795,645x = 1,216,718,692,303,237
  5. Step 5: Solve for x
    x = 1,216,718,692,303,237/39,795,645
  6. Step 6: Final answer
    x = 30,574,166.90

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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.