Home / 302,778,710.82-417,834,789.12-163,549,473.75

Finding the Fourth Proportional to 302,778,710.82, 417,834,789.12 and 163,549,473.75

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Solution

The fourth proportional to 302,778,710.82, 417,834,789.12 and 163,549,473.75 is: 225,698,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,710.82 : 417,834,789.12 = 163,549,473.75 : x
  2. Step 2: Convert to fraction form
    302,778,710.82/417,834,789.12 = 163,549,473.75/x
  3. Step 3: Cross multiply
    302,778,710.82x = 417,834,789.12 × 163,549,473.75
  4. Step 4: Simplify right side
    302,778,710.82x = 68,336,659,875,018,224
  5. Step 5: Solve for x
    x = 68,336,659,875,018,224/302,778,710.82
  6. Step 6: Final answer
    x = 225,698,364.62

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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.