Home / 66,432,384.80-99,648,577.20-18,563,328.80

Finding the Fourth Proportional to 66,432,384.80, 99,648,577.20 and 18,563,328.80

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Solution

The fourth proportional to 66,432,384.80, 99,648,577.20 and 18,563,328.80 is: 27,844,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,384.80 : 99,648,577.20 = 18,563,328.80 : x
  2. Step 2: Convert to fraction form
    66,432,384.80/99,648,577.20 = 18,563,328.80/x
  3. Step 3: Cross multiply
    66,432,384.80x = 99,648,577.20 × 18,563,328.80
  4. Step 4: Simplify right side
    66,432,384.80x = 1,849,809,303,015,783.50
  5. Step 5: Solve for x
    x = 1,849,809,303,015,783.50/66,432,384.80
  6. Step 6: Final answer
    x = 27,844,993.20

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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.