Home / 152,989,961.10-211,119,989.67-83,373,838.80

Finding the Fourth Proportional to 152,989,961.10, 211,119,989.67 and 83,373,838.80

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Solution

The fourth proportional to 152,989,961.10, 211,119,989.67 and 83,373,838.80 is: 115,052,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,989,961.10 : 211,119,989.67 = 83,373,838.80 : x
  2. Step 2: Convert to fraction form
    152,989,961.10/211,119,989.67 = 83,373,838.80/x
  3. Step 3: Cross multiply
    152,989,961.10x = 211,119,989.67 × 83,373,838.80
  4. Step 4: Simplify right side
    152,989,961.10x = 17,601,883,986,204,244
  5. Step 5: Solve for x
    x = 17,601,883,986,204,244/152,989,961.10
  6. Step 6: Final answer
    x = 115,052,542.40

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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.