Home / 45,252,421.52-67,878,976.44-12,904,296.32

Finding the Fourth Proportional to 45,252,421.52, 67,878,976.44 and 12,904,296.32

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Solution

The fourth proportional to 45,252,421.52, 67,878,976.44 and 12,904,296.32 is: 19,356,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,252,421.52 : 67,878,976.44 = 12,904,296.32 : x
  2. Step 2: Convert to fraction form
    45,252,421.52/67,878,976.44 = 12,904,296.32/x
  3. Step 3: Cross multiply
    45,252,421.52x = 67,878,976.44 × 12,904,296.32
  4. Step 4: Simplify right side
    45,252,421.52x = 875,930,425,880,058.75
  5. Step 5: Solve for x
    x = 875,930,425,880,058.75/45,252,421.52
  6. Step 6: Final answer
    x = 19,356,542.62

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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.