Home / 124,418,638.60-186,683,945.10-43,697,537.80

Finding the Fourth Proportional to 124,418,638.60, 186,683,945.10 and 43,697,537.80

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Solution

The fourth proportional to 124,418,638.60, 186,683,945.10 and 43,697,537.80 is: 65,565,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,418,638.60 : 186,683,945.10 = 43,697,537.80 : x
  2. Step 2: Convert to fraction form
    124,418,638.60/186,683,945.10 = 43,697,537.80/x
  3. Step 3: Cross multiply
    124,418,638.60x = 186,683,945.10 × 43,697,537.80
  4. Step 4: Simplify right side
    124,418,638.60x = 8,157,628,747,660,374
  5. Step 5: Solve for x
    x = 8,157,628,747,660,374/124,418,638.60
  6. Step 6: Final answer
    x = 65,565,970.17

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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.