Home / 152,989,961.60-211,119,990.36-83,373,839.30

Finding the Fourth Proportional to 152,989,961.60, 211,119,990.36 and 83,373,839.30

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Solution

The fourth proportional to 152,989,961.60, 211,119,990.36 and 83,373,839.30 is: 115,052,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,989,961.60 : 211,119,990.36 = 83,373,839.30 : x
  2. Step 2: Convert to fraction form
    152,989,961.60/211,119,990.36 = 83,373,839.30/x
  3. Step 3: Cross multiply
    152,989,961.60x = 211,119,990.36 × 83,373,839.30
  4. Step 4: Simplify right side
    152,989,961.60x = 17,601,884,149,292,190
  5. Step 5: Solve for x
    x = 17,601,884,149,292,190/152,989,961.60
  6. Step 6: Final answer
    x = 115,052,543.09

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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.