Home / 69,423,118.18-95,813,662.98-42,969,956.90

Finding the Fourth Proportional to 69,423,118.18, 95,813,662.98 and 42,969,956.90

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Solution

The fourth proportional to 69,423,118.18, 95,813,662.98 and 42,969,956.90 is: 59,304,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,423,118.18 : 95,813,662.98 = 42,969,956.90 : x
  2. Step 2: Convert to fraction form
    69,423,118.18/95,813,662.98 = 42,969,956.90/x
  3. Step 3: Cross multiply
    69,423,118.18x = 95,813,662.98 × 42,969,956.90
  4. Step 4: Simplify right side
    69,423,118.18x = 4,117,108,968,122,218
  5. Step 5: Solve for x
    x = 4,117,108,968,122,218/69,423,118.18
  6. Step 6: Final answer
    x = 59,304,581.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.