Home / 145,003,976,754.12-200,078,924,088.87-80,773,102,628.28

Finding the Fourth Proportional to 145,003,976,754.12, 200,078,924,088.87 and 80,773,102,628.28

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Solution

The fourth proportional to 145,003,976,754.12, 200,078,924,088.87 and 80,773,102,628.28 is: 111,452,084,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,003,976,754.12 : 200,078,924,088.87 = 80,773,102,628.28 : x
  2. Step 2: Convert to fraction form
    145,003,976,754.12/200,078,924,088.87 = 80,773,102,628.28/x
  3. Step 3: Cross multiply
    145,003,976,754.12x = 200,078,924,088.87 × 80,773,102,628.28
  4. Step 4: Simplify right side
    145,003,976,754.12x = 16,160,995,469,186,138,374,144
  5. Step 5: Solve for x
    x = 16,160,995,469,186,138,374,144/145,003,976,754.12
  6. Step 6: Final answer
    x = 111,452,084,494.14

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1.5x scale

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.