Home / 302,778,678.44-417,834,744.39-163,549,441.58

Finding the Fourth Proportional to 302,778,678.44, 417,834,744.39 and 163,549,441.58

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Solution

The fourth proportional to 302,778,678.44, 417,834,744.39 and 163,549,441.58 is: 225,698,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,678.44 : 417,834,744.39 = 163,549,441.58 : x
  2. Step 2: Convert to fraction form
    302,778,678.44/417,834,744.39 = 163,549,441.58/x
  3. Step 3: Cross multiply
    302,778,678.44x = 417,834,744.39 × 163,549,441.58
  4. Step 4: Simplify right side
    302,778,678.44x = 68,336,639,115,617,360
  5. Step 5: Solve for x
    x = 68,336,639,115,617,360/302,778,678.44
  6. Step 6: Final answer
    x = 225,698,320.20

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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.