Home / 100,902,147,614.30-139,179,353,205.42-64,715,863,252.22

Finding the Fourth Proportional to 100,902,147,614.30, 139,179,353,205.42 and 64,715,863,252.22

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Solution

The fourth proportional to 100,902,147,614.30, 139,179,353,205.42 and 64,715,863,252.22 is: 89,265,810,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,902,147,614.30 : 139,179,353,205.42 = 64,715,863,252.22 : x
  2. Step 2: Convert to fraction form
    100,902,147,614.30/139,179,353,205.42 = 64,715,863,252.22/x
  3. Step 3: Cross multiply
    100,902,147,614.30x = 139,179,353,205.42 × 64,715,863,252.22
  4. Step 4: Simplify right side
    100,902,147,614.30x = 9,007,111,989,574,111,330,304
  5. Step 5: Solve for x
    x = 9,007,111,989,574,111,330,304/100,902,147,614.30
  6. Step 6: Final answer
    x = 89,265,810,515.79

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1.5x scale

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.