Home / 157,465,362.15-236,198,043.23-138,971,215.35

Finding the Fourth Proportional to 157,465,362.15, 236,198,043.23 and 138,971,215.35

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Solution

The fourth proportional to 157,465,362.15, 236,198,043.23 and 138,971,215.35 is: 208,456,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,362.15 : 236,198,043.23 = 138,971,215.35 : x
  2. Step 2: Convert to fraction form
    157,465,362.15/236,198,043.23 = 138,971,215.35/x
  3. Step 3: Cross multiply
    157,465,362.15x = 236,198,043.23 × 138,971,215.35
  4. Step 4: Simplify right side
    157,465,362.15x = 32,824,729,130,270,080
  5. Step 5: Solve for x
    x = 32,824,729,130,270,080/157,465,362.15
  6. Step 6: Final answer
    x = 208,456,823.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.