Home / 100,296,740.14-138,350,860.70-63,068,100.10

Finding the Fourth Proportional to 100,296,740.14, 138,350,860.70 and 63,068,100.10

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Solution

The fourth proportional to 100,296,740.14, 138,350,860.70 and 63,068,100.10 is: 86,997,103.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,296,740.14 : 138,350,860.70 = 63,068,100.10 : x
  2. Step 2: Convert to fraction form
    100,296,740.14/138,350,860.70 = 63,068,100.10/x
  3. Step 3: Cross multiply
    100,296,740.14x = 138,350,860.70 × 63,068,100.10
  4. Step 4: Simplify right side
    100,296,740.14x = 8,725,525,931,548,756
  5. Step 5: Solve for x
    x = 8,725,525,931,548,756/100,296,740.14
  6. Step 6: Final answer
    x = 86,997,103.99

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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.