Home / 66,304,219.40-99,456,329.10-48,388,315.40

Finding the Fourth Proportional to 66,304,219.40, 99,456,329.10 and 48,388,315.40

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Solution

The fourth proportional to 66,304,219.40, 99,456,329.10 and 48,388,315.40 is: 72,582,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,304,219.40 : 99,456,329.10 = 48,388,315.40 : x
  2. Step 2: Convert to fraction form
    66,304,219.40/99,456,329.10 = 48,388,315.40/x
  3. Step 3: Cross multiply
    66,304,219.40x = 99,456,329.10 × 48,388,315.40
  4. Step 4: Simplify right side
    66,304,219.40x = 4,812,524,221,016,998
  5. Step 5: Solve for x
    x = 4,812,524,221,016,998/66,304,219.40
  6. Step 6: Final answer
    x = 72,582,473.10

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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.