Home / 134,910,640.15-186,177,966.95-79,157,009.14

Finding the Fourth Proportional to 134,910,640.15, 186,177,966.95 and 79,157,009.14

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Solution

The fourth proportional to 134,910,640.15, 186,177,966.95 and 79,157,009.14 is: 109,237,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,910,640.15 : 186,177,966.95 = 79,157,009.14 : x
  2. Step 2: Convert to fraction form
    134,910,640.15/186,177,966.95 = 79,157,009.14/x
  3. Step 3: Cross multiply
    134,910,640.15x = 186,177,966.95 × 79,157,009.14
  4. Step 4: Simplify right side
    134,910,640.15x = 14,737,291,031,597,426
  5. Step 5: Solve for x
    x = 14,737,291,031,597,426/134,910,640.15
  6. Step 6: Final answer
    x = 109,237,425.71

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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.