Home / 54,669,707.40-82,017,002.70-31,938,904.20

Finding the Fourth Proportional to 54,669,707.40, 82,017,002.70 and 31,938,904.20

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Solution

The fourth proportional to 54,669,707.40, 82,017,002.70 and 31,938,904.20 is: 47,915,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669,707.40 : 82,017,002.70 = 31,938,904.20 : x
  2. Step 2: Convert to fraction form
    54,669,707.40/82,017,002.70 = 31,938,904.20/x
  3. Step 3: Cross multiply
    54,669,707.40x = 82,017,002.70 × 31,938,904.20
  4. Step 4: Simplify right side
    54,669,707.40x = 2,619,533,192,006,441.50
  5. Step 5: Solve for x
    x = 2,619,533,192,006,441.50/54,669,707.40
  6. Step 6: Final answer
    x = 47,915,624.88

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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.