Home / 93,438,534.32-128,941,274.84-53,743,046.97

Finding the Fourth Proportional to 93,438,534.32, 128,941,274.84 and 53,743,046.97

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Solution

The fourth proportional to 93,438,534.32, 128,941,274.84 and 53,743,046.97 is: 74,163,160.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,438,534.32 : 128,941,274.84 = 53,743,046.97 : x
  2. Step 2: Convert to fraction form
    93,438,534.32/128,941,274.84 = 53,743,046.97/x
  3. Step 3: Cross multiply
    93,438,534.32x = 128,941,274.84 × 53,743,046.97
  4. Step 4: Simplify right side
    93,438,534.32x = 6,929,696,990,615,187
  5. Step 5: Solve for x
    x = 6,929,696,990,615,187/93,438,534.32
  6. Step 6: Final answer
    x = 74,163,160.21

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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.