Home / 288,632,567.68-398,297,602.87-163,177,262.87

Finding the Fourth Proportional to 288,632,567.68, 398,297,602.87 and 163,177,262.87

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Solution

The fourth proportional to 288,632,567.68, 398,297,602.87 and 163,177,262.87 is: 225,175,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,632,567.68 : 398,297,602.87 = 163,177,262.87 : x
  2. Step 2: Convert to fraction form
    288,632,567.68/398,297,602.87 = 163,177,262.87/x
  3. Step 3: Cross multiply
    288,632,567.68x = 398,297,602.87 × 163,177,262.87
  4. Step 4: Simplify right side
    288,632,567.68x = 64,993,112,644,008,856
  5. Step 5: Solve for x
    x = 64,993,112,644,008,856/288,632,567.68
  6. Step 6: Final answer
    x = 225,175,950.05

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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.