Home / 302,778,551.42-417,834,568.89-163,549,313.94

Finding the Fourth Proportional to 302,778,551.42, 417,834,568.89 and 163,549,313.94

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Solution

The fourth proportional to 302,778,551.42, 417,834,568.89 and 163,549,313.94 is: 225,698,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,551.42 : 417,834,568.89 = 163,549,313.94 : x
  2. Step 2: Convert to fraction form
    302,778,551.42/417,834,568.89 = 163,549,313.94/x
  3. Step 3: Cross multiply
    302,778,551.42x = 417,834,568.89 × 163,549,313.94
  4. Step 4: Simplify right side
    302,778,551.42x = 68,336,557,082,375,160
  5. Step 5: Solve for x
    x = 68,336,557,082,375,160/302,778,551.42
  6. Step 6: Final answer
    x = 225,698,143.95

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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.