Home / 89,830,847.80-134,494,329.30-87,311,423.80

Finding the Fourth Proportional to 89,830,847.80, 134,494,329.30 and 87,311,423.80

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Solution

The fourth proportional to 89,830,847.80, 134,494,329.30 and 87,311,423.80 is: 130,722,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,830,847.80 : 134,494,329.30 = 87,311,423.80 : x
  2. Step 2: Convert to fraction form
    89,830,847.80/134,494,329.30 = 87,311,423.80/x
  3. Step 3: Cross multiply
    89,830,847.80x = 134,494,329.30 × 87,311,423.80
  4. Step 4: Simplify right side
    89,830,847.80x = 11,742,891,384,209,058
  5. Step 5: Solve for x
    x = 11,742,891,384,209,058/89,830,847.80
  6. Step 6: Final answer
    x = 130,722,259.36

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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.