Home / 103,032,334.80-154,548,502.20-72,799,246.80

Finding the Fourth Proportional to 103,032,334.80, 154,548,502.20 and 72,799,246.80

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Solution

The fourth proportional to 103,032,334.80, 154,548,502.20 and 72,799,246.80 is: 109,198,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,032,334.80 : 154,548,502.20 = 72,799,246.80 : x
  2. Step 2: Convert to fraction form
    103,032,334.80/154,548,502.20 = 72,799,246.80/x
  3. Step 3: Cross multiply
    103,032,334.80x = 154,548,502.20 × 72,799,246.80
  4. Step 4: Simplify right side
    103,032,334.80x = 11,251,014,554,228,142
  5. Step 5: Solve for x
    x = 11,251,014,554,228,142/103,032,334.80
  6. Step 6: Final answer
    x = 109,198,870.20

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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.