Home / 105,948,201.40-158,922,302.10-54,292,136.20

Finding the Fourth Proportional to 105,948,201.40, 158,922,302.10 and 54,292,136.20

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Solution

The fourth proportional to 105,948,201.40, 158,922,302.10 and 54,292,136.20 is: 81,438,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,948,201.40 : 158,922,302.10 = 54,292,136.20 : x
  2. Step 2: Convert to fraction form
    105,948,201.40/158,922,302.10 = 54,292,136.20/x
  3. Step 3: Cross multiply
    105,948,201.40x = 158,922,302.10 × 54,292,136.20
  4. Step 4: Simplify right side
    105,948,201.40x = 8,628,231,270,830,746
  5. Step 5: Solve for x
    x = 8,628,231,270,830,746/105,948,201.40
  6. Step 6: Final answer
    x = 81,438,204.30

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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.