Home / 7,153,873,007.15-10,731,975,147.03-2,112,239,099.25

Finding the Fourth Proportional to 7,153,873,007.15, 10,731,975,147.03 and 2,112,239,099.25

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Solution

The fourth proportional to 7,153,873,007.15, 10,731,975,147.03 and 2,112,239,099.25 is: 3,168,702,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153,873,007.15 : 10,731,975,147.03 = 2,112,239,099.25 : x
  2. Step 2: Convert to fraction form
    7,153,873,007.15/10,731,975,147.03 = 2,112,239,099.25/x
  3. Step 3: Cross multiply
    7,153,873,007.15x = 10,731,975,147.03 × 2,112,239,099.25
  4. Step 4: Simplify right side
    7,153,873,007.15x = 22,668,497,517,736,034,304
  5. Step 5: Solve for x
    x = 22,668,497,517,736,034,304/7,153,873,007.15
  6. Step 6: Final answer
    x = 3,168,702,812.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.