Home / 78,335,094.98-108,057,406.97-48,915,357.14

Finding the Fourth Proportional to 78,335,094.98, 108,057,406.97 and 48,915,357.14

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Solution

The fourth proportional to 78,335,094.98, 108,057,406.97 and 48,915,357.14 is: 67,475,078.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,335,094.98 : 108,057,406.97 = 48,915,357.14 : x
  2. Step 2: Convert to fraction form
    78,335,094.98/108,057,406.97 = 48,915,357.14/x
  3. Step 3: Cross multiply
    78,335,094.98x = 108,057,406.97 × 48,915,357.14
  4. Step 4: Simplify right side
    78,335,094.98x = 5,285,666,653,903,946
  5. Step 5: Solve for x
    x = 5,285,666,653,903,946/78,335,094.98
  6. Step 6: Final answer
    x = 67,475,078.12

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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.