Home / 157,112,213.52-216,798,543.95-96,751,611.83

Finding the Fourth Proportional to 157,112,213.52, 216,798,543.95 and 96,751,611.83

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Solution

The fourth proportional to 157,112,213.52, 216,798,543.95 and 96,751,611.83 is: 133,507,179.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,112,213.52 : 216,798,543.95 = 96,751,611.83 : x
  2. Step 2: Convert to fraction form
    157,112,213.52/216,798,543.95 = 96,751,611.83/x
  3. Step 3: Cross multiply
    157,112,213.52x = 216,798,543.95 × 96,751,611.83
  4. Step 4: Simplify right side
    157,112,213.52x = 20,975,608,567,991,844
  5. Step 5: Solve for x
    x = 20,975,608,567,991,844/157,112,213.52
  6. Step 6: Final answer
    x = 133,507,179.98

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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.