Home / 78,970,819-108,985,283.74-44,166,747.88

Finding the Fourth Proportional to 78,970,819, 108,985,283.74 and 44,166,747.88

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Solution

The fourth proportional to 78,970,819, 108,985,283.74 and 44,166,747.88 is: 60,953,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,970,819 : 108,985,283.74 = 44,166,747.88 : x
  2. Step 2: Convert to fraction form
    78,970,819/108,985,283.74 = 44,166,747.88/x
  3. Step 3: Cross multiply
    78,970,819x = 108,985,283.74 × 44,166,747.88
  4. Step 4: Simplify right side
    78,970,819x = 4,813,525,549,574,844
  5. Step 5: Solve for x
    x = 4,813,525,549,574,844/78,970,819
  6. Step 6: Final answer
    x = 60,953,218.04

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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.