Home / 134,867,908.94-186,117,712.54-72,988,247.50

Finding the Fourth Proportional to 134,867,908.94, 186,117,712.54 and 72,988,247.50

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Solution

The fourth proportional to 134,867,908.94, 186,117,712.54 and 72,988,247.50 is: 100,723,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,867,908.94 : 186,117,712.54 = 72,988,247.50 : x
  2. Step 2: Convert to fraction form
    134,867,908.94/186,117,712.54 = 72,988,247.50/x
  3. Step 3: Cross multiply
    134,867,908.94x = 186,117,712.54 × 72,988,247.50
  4. Step 4: Simplify right side
    134,867,908.94x = 13,584,405,666,878,972
  5. Step 5: Solve for x
    x = 13,584,405,666,878,972/134,867,908.94
  6. Step 6: Final answer
    x = 100,723,780.58

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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.