Home / 87,340,390.40-131,152,303.20-49,076,638.40

Finding the Fourth Proportional to 87,340,390.40, 131,152,303.20 and 49,076,638.40

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Solution

The fourth proportional to 87,340,390.40, 131,152,303.20 and 49,076,638.40 is: 73,694,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,340,390.40 : 131,152,303.20 = 49,076,638.40 : x
  2. Step 2: Convert to fraction form
    87,340,390.40/131,152,303.20 = 49,076,638.40/x
  3. Step 3: Cross multiply
    87,340,390.40x = 131,152,303.20 × 49,076,638.40
  4. Step 4: Simplify right side
    87,340,390.40x = 6,436,514,159,473,563
  5. Step 5: Solve for x
    x = 6,436,514,159,473,563/87,340,390.40
  6. Step 6: Final answer
    x = 73,694,588.84

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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.