Home / 78,970,818-108,985,282.36-44,166,746.88

Finding the Fourth Proportional to 78,970,818, 108,985,282.36 and 44,166,746.88

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Solution

The fourth proportional to 78,970,818, 108,985,282.36 and 44,166,746.88 is: 60,953,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,970,818 : 108,985,282.36 = 44,166,746.88 : x
  2. Step 2: Convert to fraction form
    78,970,818/108,985,282.36 = 44,166,746.88/x
  3. Step 3: Cross multiply
    78,970,818x = 108,985,282.36 × 44,166,746.88
  4. Step 4: Simplify right side
    78,970,818x = 4,813,525,379,639,449
  5. Step 5: Solve for x
    x = 4,813,525,379,639,449/78,970,818
  6. Step 6: Final answer
    x = 60,953,216.66

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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.