Home / 157,996,861.02-218,044,143.27-88,378,090.02

Finding the Fourth Proportional to 157,996,861.02, 218,044,143.27 and 88,378,090.02

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Solution

The fourth proportional to 157,996,861.02, 218,044,143.27 and 88,378,090.02 is: 121,966,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,996,861.02 : 218,044,143.27 = 88,378,090.02 : x
  2. Step 2: Convert to fraction form
    157,996,861.02/218,044,143.27 = 88,378,090.02/x
  3. Step 3: Cross multiply
    157,996,861.02x = 218,044,143.27 × 88,378,090.02
  4. Step 4: Simplify right side
    157,996,861.02x = 19,270,324,922,249,836
  5. Step 5: Solve for x
    x = 19,270,324,922,249,836/157,996,861.02
  6. Step 6: Final answer
    x = 121,966,504.89

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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.