Home / 86,645,611,989.72-119,553,039,154.89-50,023,092,720.60

Finding the Fourth Proportional to 86,645,611,989.72, 119,553,039,154.89 and 50,023,092,720.60

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Solution

The fourth proportional to 86,645,611,989.72, 119,553,039,154.89 and 50,023,092,720.60 is: 69,021,530,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,645,611,989.72 : 119,553,039,154.89 = 50,023,092,720.60 : x
  2. Step 2: Convert to fraction form
    86,645,611,989.72/119,553,039,154.89 = 50,023,092,720.60/x
  3. Step 3: Cross multiply
    86,645,611,989.72x = 119,553,039,154.89 × 50,023,092,720.60
  4. Step 4: Simplify right side
    86,645,611,989.72x = 5,980,412,762,674,584,092,672
  5. Step 5: Solve for x
    x = 5,980,412,762,674,584,092,672/86,645,611,989.72
  6. Step 6: Final answer
    x = 69,021,530,638.90

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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.