Home / 78,036,478.10-107,668,351.68-44,994,130.28

Finding the Fourth Proportional to 78,036,478.10, 107,668,351.68 and 44,994,130.28

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Solution

The fourth proportional to 78,036,478.10, 107,668,351.68 and 44,994,130.28 is: 62,079,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,036,478.10 : 107,668,351.68 = 44,994,130.28 : x
  2. Step 2: Convert to fraction form
    78,036,478.10/107,668,351.68 = 44,994,130.28/x
  3. Step 3: Cross multiply
    78,036,478.10x = 107,668,351.68 × 44,994,130.28
  4. Step 4: Simplify right side
    78,036,478.10x = 4,844,443,842,522,777
  5. Step 5: Solve for x
    x = 4,844,443,842,522,777/78,036,478.10
  6. Step 6: Final answer
    x = 62,079,221.93

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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.