Home / 131,063,872-180,868,221.28-73,117,120

Finding the Fourth Proportional to 131,063,872, 180,868,221.28 and 73,117,120

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Solution

The fourth proportional to 131,063,872, 180,868,221.28 and 73,117,120 is: 100,901,669.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,063,872 : 180,868,221.28 = 73,117,120 : x
  2. Step 2: Convert to fraction form
    131,063,872/180,868,221.28 = 73,117,120/x
  3. Step 3: Cross multiply
    131,063,872x = 180,868,221.28 × 73,117,120
  4. Step 4: Simplify right side
    131,063,872x = 13,224,563,439,516,314
  5. Step 5: Solve for x
    x = 13,224,563,439,516,314/131,063,872
  6. Step 6: Final answer
    x = 100,901,669.07

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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.