Home / 77,254,300.80-115,881,451.20-26,137,987.20

Finding the Fourth Proportional to 77,254,300.80, 115,881,451.20 and 26,137,987.20

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Solution

The fourth proportional to 77,254,300.80, 115,881,451.20 and 26,137,987.20 is: 39,206,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,254,300.80 : 115,881,451.20 = 26,137,987.20 : x
  2. Step 2: Convert to fraction form
    77,254,300.80/115,881,451.20 = 26,137,987.20/x
  3. Step 3: Cross multiply
    77,254,300.80x = 115,881,451.20 × 26,137,987.20
  4. Step 4: Simplify right side
    77,254,300.80x = 3,028,907,888,183,024.50
  5. Step 5: Solve for x
    x = 3,028,907,888,183,024.50/77,254,300.80
  6. Step 6: Final answer
    x = 39,206,980.80

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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.