Home / 222,932,613.13-307,629,005.47-128,852,854.59

Finding the Fourth Proportional to 222,932,613.13, 307,629,005.47 and 128,852,854.59

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Solution

The fourth proportional to 222,932,613.13, 307,629,005.47 and 128,852,854.59 is: 177,806,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,932,613.13 : 307,629,005.47 = 128,852,854.59 : x
  2. Step 2: Convert to fraction form
    222,932,613.13/307,629,005.47 = 128,852,854.59/x
  3. Step 3: Cross multiply
    222,932,613.13x = 307,629,005.47 × 128,852,854.59
  4. Step 4: Simplify right side
    222,932,613.13x = 39,638,875,509,492,232
  5. Step 5: Solve for x
    x = 39,638,875,509,492,232/222,932,613.13
  6. Step 6: Final answer
    x = 177,806,535.14

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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.