Home / 302,778,679.95-417,834,746.46-163,549,443.09

Finding the Fourth Proportional to 302,778,679.95, 417,834,746.46 and 163,549,443.09

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Solution

The fourth proportional to 302,778,679.95, 417,834,746.46 and 163,549,443.09 is: 225,698,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,679.95 : 417,834,746.46 = 163,549,443.09 : x
  2. Step 2: Convert to fraction form
    302,778,679.95/417,834,746.46 = 163,549,443.09/x
  3. Step 3: Cross multiply
    302,778,679.95x = 417,834,746.46 × 163,549,443.09
  4. Step 4: Simplify right side
    302,778,679.95x = 68,336,640,087,184,344
  5. Step 5: Solve for x
    x = 68,336,640,087,184,344/302,778,679.95
  6. Step 6: Final answer
    x = 225,698,322.28

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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.