Home / 222,578,263.77-307,157,020.05-127,207,181.42

Finding the Fourth Proportional to 222,578,263.77, 307,157,020.05 and 127,207,181.42

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Solution

The fourth proportional to 222,578,263.77, 307,157,020.05 and 127,207,181.42 is: 175,545,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,578,263.77 : 307,157,020.05 = 127,207,181.42 : x
  2. Step 2: Convert to fraction form
    222,578,263.77/307,157,020.05 = 127,207,181.42/x
  3. Step 3: Cross multiply
    222,578,263.77x = 307,157,020.05 × 127,207,181.42
  4. Step 4: Simplify right side
    222,578,263.77x = 39,072,578,772,391,144
  5. Step 5: Solve for x
    x = 39,072,578,772,391,144/222,578,263.77
  6. Step 6: Final answer
    x = 175,545,348.01

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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.