Home / 157,770,321.68-236,655,486.84-42,754,859.84

Finding the Fourth Proportional to 157,770,321.68, 236,655,486.84 and 42,754,859.84

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Solution

The fourth proportional to 157,770,321.68, 236,655,486.84 and 42,754,859.84 is: 64,132,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,770,321.68 : 236,655,486.84 = 42,754,859.84 : x
  2. Step 2: Convert to fraction form
    157,770,321.68/236,655,486.84 = 42,754,859.84/x
  3. Step 3: Cross multiply
    157,770,321.68x = 236,655,486.84 × 42,754,859.84
  4. Step 4: Simplify right side
    157,770,321.68x = 10,118,172,170,211,166
  5. Step 5: Solve for x
    x = 10,118,172,170,211,166/157,770,321.68
  6. Step 6: Final answer
    x = 64,132,290.93

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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.