Home / 64,378,352.44-89,076,072.36-56,135,602.90

Finding the Fourth Proportional to 64,378,352.44, 89,076,072.36 and 56,135,602.90

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Solution

The fourth proportional to 64,378,352.44, 89,076,072.36 and 56,135,602.90 is: 77,671,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,378,352.44 : 89,076,072.36 = 56,135,602.90 : x
  2. Step 2: Convert to fraction form
    64,378,352.44/89,076,072.36 = 56,135,602.90/x
  3. Step 3: Cross multiply
    64,378,352.44x = 89,076,072.36 × 56,135,602.90
  4. Step 4: Simplify right side
    64,378,352.44x = 5,000,339,025,892,626
  5. Step 5: Solve for x
    x = 5,000,339,025,892,626/64,378,352.44
  6. Step 6: Final answer
    x = 77,671,124.48

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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.