Home / 157,168,142-216,903,499.26-91,105,695.44

Finding the Fourth Proportional to 157,168,142, 216,903,499.26 and 91,105,695.44

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Solution

The fourth proportional to 157,168,142, 216,903,499.26 and 91,105,695.44 is: 125,732,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,168,142 : 216,903,499.26 = 91,105,695.44 : x
  2. Step 2: Convert to fraction form
    157,168,142/216,903,499.26 = 91,105,695.44/x
  3. Step 3: Cross multiply
    157,168,142x = 216,903,499.26 × 91,105,695.44
  4. Step 4: Simplify right side
    157,168,142x = 19,761,144,143,451,824
  5. Step 5: Solve for x
    x = 19,761,144,143,451,824/157,168,142
  6. Step 6: Final answer
    x = 125,732,504.64

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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.