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Finding the Fourth Proportional to 302,778,854.88, 417,834,987.93 and 163,549,617.90

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Solution

The fourth proportional to 302,778,854.88, 417,834,987.93 and 163,549,617.90 is: 225,698,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,854.88 : 417,834,987.93 = 163,549,617.90 : x
  2. Step 2: Convert to fraction form
    302,778,854.88/417,834,987.93 = 163,549,617.90/x
  3. Step 3: Cross multiply
    302,778,854.88x = 417,834,987.93 × 163,549,617.90
  4. Step 4: Simplify right side
    302,778,854.88x = 68,336,752,621,202,616
  5. Step 5: Solve for x
    x = 68,336,752,621,202,616/302,778,854.88
  6. Step 6: Final answer
    x = 225,698,563.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.