Home / 78,725,934.24-118,080,928.37-21,224,018.04

Finding the Fourth Proportional to 78,725,934.24, 118,080,928.37 and 21,224,018.04

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Solution

The fourth proportional to 78,725,934.24, 118,080,928.37 and 21,224,018.04 is: 31,833,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,725,934.24 : 118,080,928.37 = 21,224,018.04 : x
  2. Step 2: Convert to fraction form
    78,725,934.24/118,080,928.37 = 21,224,018.04/x
  3. Step 3: Cross multiply
    78,725,934.24x = 118,080,928.37 × 21,224,018.04
  4. Step 4: Simplify right side
    78,725,934.24x = 2,506,151,753,957,888
  5. Step 5: Solve for x
    x = 2,506,151,753,957,888/78,725,934.24
  6. Step 6: Final answer
    x = 31,833,877.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.