Home / 302,778,549.92-417,834,566.82-163,549,312.44

Finding the Fourth Proportional to 302,778,549.92, 417,834,566.82 and 163,549,312.44

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Solution

The fourth proportional to 302,778,549.92, 417,834,566.82 and 163,549,312.44 is: 225,698,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,549.92 : 417,834,566.82 = 163,549,312.44 : x
  2. Step 2: Convert to fraction form
    302,778,549.92/417,834,566.82 = 163,549,312.44/x
  3. Step 3: Cross multiply
    302,778,549.92x = 417,834,566.82 × 163,549,312.44
  4. Step 4: Simplify right side
    302,778,549.92x = 68,336,556,117,076,232
  5. Step 5: Solve for x
    x = 68,336,556,117,076,232/302,778,549.92
  6. Step 6: Final answer
    x = 225,698,141.88

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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.