Home / 302,778,677.19-417,834,742.66-163,549,440.33

Finding the Fourth Proportional to 302,778,677.19, 417,834,742.66 and 163,549,440.33

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Solution

The fourth proportional to 302,778,677.19, 417,834,742.66 and 163,549,440.33 is: 225,698,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,677.19 : 417,834,742.66 = 163,549,440.33 : x
  2. Step 2: Convert to fraction form
    302,778,677.19/417,834,742.66 = 163,549,440.33/x
  3. Step 3: Cross multiply
    302,778,677.19x = 417,834,742.66 × 163,549,440.33
  4. Step 4: Simplify right side
    302,778,677.19x = 68,336,638,312,472,584
  5. Step 5: Solve for x
    x = 68,336,638,312,472,584/302,778,677.19
  6. Step 6: Final answer
    x = 225,698,318.48

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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.