Home / 134,765,191.44-185,975,964.36-72,885,530.16

Finding the Fourth Proportional to 134,765,191.44, 185,975,964.36 and 72,885,530.16

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Solution

The fourth proportional to 134,765,191.44, 185,975,964.36 and 72,885,530.16 is: 100,582,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,765,191.44 : 185,975,964.36 = 72,885,530.16 : x
  2. Step 2: Convert to fraction form
    134,765,191.44/185,975,964.36 = 72,885,530.16/x
  3. Step 3: Cross multiply
    134,765,191.44x = 185,975,964.36 × 72,885,530.16
  4. Step 4: Simplify right side
    134,765,191.44x = 13,554,956,759,395,866
  5. Step 5: Solve for x
    x = 13,554,956,759,395,866/134,765,191.44
  6. Step 6: Final answer
    x = 100,582,031.71

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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.