Home / 105,887,241.80-158,830,862.70-69,607,536.20

Finding the Fourth Proportional to 105,887,241.80, 158,830,862.70 and 69,607,536.20

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Solution

The fourth proportional to 105,887,241.80, 158,830,862.70 and 69,607,536.20 is: 104,411,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,887,241.80 : 158,830,862.70 = 69,607,536.20 : x
  2. Step 2: Convert to fraction form
    105,887,241.80/158,830,862.70 = 69,607,536.20/x
  3. Step 3: Cross multiply
    105,887,241.80x = 158,830,862.70 × 69,607,536.20
  4. Step 4: Simplify right side
    105,887,241.80x = 11,055,825,025,067,480
  5. Step 5: Solve for x
    x = 11,055,825,025,067,480/105,887,241.80
  6. Step 6: Final answer
    x = 104,411,304.30

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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.