Home / 302,778,839.32-417,834,966.52-163,549,602.44

Finding the Fourth Proportional to 302,778,839.32, 417,834,966.52 and 163,549,602.44

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Solution

The fourth proportional to 302,778,839.32, 417,834,966.52 and 163,549,602.44 is: 225,698,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,839.32 : 417,834,966.52 = 163,549,602.44 : x
  2. Step 2: Convert to fraction form
    302,778,839.32/417,834,966.52 = 163,549,602.44/x
  3. Step 3: Cross multiply
    302,778,839.32x = 417,834,966.52 × 163,549,602.44
  4. Step 4: Simplify right side
    302,778,839.32x = 68,336,742,659,876,704
  5. Step 5: Solve for x
    x = 68,336,742,659,876,704/302,778,839.32
  6. Step 6: Final answer
    x = 225,698,542.25

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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.