Home / 124,467,277.80-186,700,916.70-79,229,620.20

Finding the Fourth Proportional to 124,467,277.80, 186,700,916.70 and 79,229,620.20

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Solution

The fourth proportional to 124,467,277.80, 186,700,916.70 and 79,229,620.20 is: 118,844,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,467,277.80 : 186,700,916.70 = 79,229,620.20 : x
  2. Step 2: Convert to fraction form
    124,467,277.80/186,700,916.70 = 79,229,620.20/x
  3. Step 3: Cross multiply
    124,467,277.80x = 186,700,916.70 × 79,229,620.20
  4. Step 4: Simplify right side
    124,467,277.80x = 14,792,242,721,132,836
  5. Step 5: Solve for x
    x = 14,792,242,721,132,836/124,467,277.80
  6. Step 6: Final answer
    x = 118,844,430.30

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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.