Home / 134,858,007.54-186,104,043.18-72,978,346.08

Finding the Fourth Proportional to 134,858,007.54, 186,104,043.18 and 72,978,346.08

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Solution

The fourth proportional to 134,858,007.54, 186,104,043.18 and 72,978,346.08 is: 100,710,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,858,007.54 : 186,104,043.18 = 72,978,346.08 : x
  2. Step 2: Convert to fraction form
    134,858,007.54/186,104,043.18 = 72,978,346.08/x
  3. Step 3: Cross multiply
    134,858,007.54x = 186,104,043.18 × 72,978,346.08
  4. Step 4: Simplify right side
    134,858,007.54x = 13,581,565,270,077,304
  5. Step 5: Solve for x
    x = 13,581,565,270,077,304/134,858,007.54
  6. Step 6: Final answer
    x = 100,710,113.68

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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.