Home / 105,887,228.80-158,830,843.20-69,607,523.20

Finding the Fourth Proportional to 105,887,228.80, 158,830,843.20 and 69,607,523.20

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Solution

The fourth proportional to 105,887,228.80, 158,830,843.20 and 69,607,523.20 is: 104,411,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,887,228.80 : 158,830,843.20 = 69,607,523.20 : x
  2. Step 2: Convert to fraction form
    105,887,228.80/158,830,843.20 = 69,607,523.20/x
  3. Step 3: Cross multiply
    105,887,228.80x = 158,830,843.20 × 69,607,523.20
  4. Step 4: Simplify right side
    105,887,228.80x = 11,055,821,602,919,562
  5. Step 5: Solve for x
    x = 11,055,821,602,919,562/105,887,228.80
  6. Step 6: Final answer
    x = 104,411,284.80

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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.