Home / 127,718,810.80-191,578,216.20-56,055,194.80

Finding the Fourth Proportional to 127,718,810.80, 191,578,216.20 and 56,055,194.80

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Solution

The fourth proportional to 127,718,810.80, 191,578,216.20 and 56,055,194.80 is: 84,082,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,718,810.80 : 191,578,216.20 = 56,055,194.80 : x
  2. Step 2: Convert to fraction form
    127,718,810.80/191,578,216.20 = 56,055,194.80/x
  3. Step 3: Cross multiply
    127,718,810.80x = 191,578,216.20 × 56,055,194.80
  4. Step 4: Simplify right side
    127,718,810.80x = 10,738,954,228,527,514
  5. Step 5: Solve for x
    x = 10,738,954,228,527,514/127,718,810.80
  6. Step 6: Final answer
    x = 84,082,792.20

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1.5x scale

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.