Home / 157,996,860.77-218,044,142.93-88,378,089.77

Finding the Fourth Proportional to 157,996,860.77, 218,044,142.93 and 88,378,089.77

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Solution

The fourth proportional to 157,996,860.77, 218,044,142.93 and 88,378,089.77 is: 121,966,504.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,996,860.77 : 218,044,142.93 = 88,378,089.77 : x
  2. Step 2: Convert to fraction form
    157,996,860.77/218,044,142.93 = 88,378,089.77/x
  3. Step 3: Cross multiply
    157,996,860.77x = 218,044,142.93 × 88,378,089.77
  4. Step 4: Simplify right side
    157,996,860.77x = 19,270,324,837,690,252
  5. Step 5: Solve for x
    x = 19,270,324,837,690,252/157,996,860.77
  6. Step 6: Final answer
    x = 121,966,504.55

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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.