Home / 54,918,000.30-82,377,000.45-42,163,416.30

Finding the Fourth Proportional to 54,918,000.30, 82,377,000.45 and 42,163,416.30

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Solution

The fourth proportional to 54,918,000.30, 82,377,000.45 and 42,163,416.30 is: 63,245,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,918,000.30 : 82,377,000.45 = 42,163,416.30 : x
  2. Step 2: Convert to fraction form
    54,918,000.30/82,377,000.45 = 42,163,416.30/x
  3. Step 3: Cross multiply
    54,918,000.30x = 82,377,000.45 × 42,163,416.30
  4. Step 4: Simplify right side
    54,918,000.30x = 3,473,295,763,518,637
  5. Step 5: Solve for x
    x = 3,473,295,763,518,637/54,918,000.30
  6. Step 6: Final answer
    x = 63,245,124.45

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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.