Home / 302,027,710.57-416,562,117.69-196,215,218.51

Finding the Fourth Proportional to 302,027,710.57, 416,562,117.69 and 196,215,218.51

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Solution

The fourth proportional to 302,027,710.57, 416,562,117.69 and 196,215,218.51 is: 270,623,602.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,027,710.57 : 416,562,117.69 = 196,215,218.51 : x
  2. Step 2: Convert to fraction form
    302,027,710.57/416,562,117.69 = 196,215,218.51/x
  3. Step 3: Cross multiply
    302,027,710.57x = 416,562,117.69 × 196,215,218.51
  4. Step 4: Simplify right side
    302,027,710.57x = 81,735,826,944,184,688
  5. Step 5: Solve for x
    x = 81,735,826,944,184,688/302,027,710.57
  6. Step 6: Final answer
    x = 270,623,602.02

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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.