Home / 157,727,450.72-217,353,824.88-120,599,798.24

Finding the Fourth Proportional to 157,727,450.72, 217,353,824.88 and 120,599,798.24

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Solution

The fourth proportional to 157,727,450.72, 217,353,824.88 and 120,599,798.24 is: 166,190,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,727,450.72 : 217,353,824.88 = 120,599,798.24 : x
  2. Step 2: Convert to fraction form
    157,727,450.72/217,353,824.88 = 120,599,798.24/x
  3. Step 3: Cross multiply
    157,727,450.72x = 217,353,824.88 × 120,599,798.24
  4. Step 4: Simplify right side
    157,727,450.72x = 26,212,827,427,220,292
  5. Step 5: Solve for x
    x = 26,212,827,427,220,292/157,727,450.72
  6. Step 6: Final answer
    x = 166,190,649.17

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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.