Home / 302,778,551.79-417,834,569.41-163,549,314.32

Finding the Fourth Proportional to 302,778,551.79, 417,834,569.41 and 163,549,314.32

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Solution

The fourth proportional to 302,778,551.79, 417,834,569.41 and 163,549,314.32 is: 225,698,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,551.79 : 417,834,569.41 = 163,549,314.32 : x
  2. Step 2: Convert to fraction form
    302,778,551.79/417,834,569.41 = 163,549,314.32/x
  3. Step 3: Cross multiply
    302,778,551.79x = 417,834,569.41 × 163,549,314.32
  4. Step 4: Simplify right side
    302,778,551.79x = 68,336,557,323,699,904
  5. Step 5: Solve for x
    x = 68,336,557,323,699,904/302,778,551.79
  6. Step 6: Final answer
    x = 225,698,144.47

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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.