Home / 75,054,491.04-103,521,803.10-68,879,478.26

Finding the Fourth Proportional to 75,054,491.04, 103,521,803.10 and 68,879,478.26

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Solution

The fourth proportional to 75,054,491.04, 103,521,803.10 and 68,879,478.26 is: 95,004,678.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,054,491.04 : 103,521,803.10 = 68,879,478.26 : x
  2. Step 2: Convert to fraction form
    75,054,491.04/103,521,803.10 = 68,879,478.26/x
  3. Step 3: Cross multiply
    75,054,491.04x = 103,521,803.10 × 68,879,478.26
  4. Step 4: Simplify right side
    75,054,491.04x = 7,130,527,786,062,451
  5. Step 5: Solve for x
    x = 7,130,527,786,062,451/75,054,491.04
  6. Step 6: Final answer
    x = 95,004,678.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.