Home / 115,318,019,591.64-172,913,971,402.62-91,567,093,011.88

Finding the Fourth Proportional to 115,318,019,591.64, 172,913,971,402.62 and 91,567,093,011.88

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Solution

The fourth proportional to 115,318,019,591.64, 172,913,971,402.62 and 91,567,093,011.88 is: 137,300,568,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,318,019,591.64 : 172,913,971,402.62 = 91,567,093,011.88 : x
  2. Step 2: Convert to fraction form
    115,318,019,591.64/172,913,971,402.62 = 91,567,093,011.88/x
  3. Step 3: Cross multiply
    115,318,019,591.64x = 172,913,971,402.62 × 91,567,093,011.88
  4. Step 4: Simplify right side
    115,318,019,591.64x = 15,833,229,702,477,264,191,488
  5. Step 5: Solve for x
    x = 15,833,229,702,477,264,191,488/115,318,019,591.64
  6. Step 6: Final answer
    x = 137,300,568,970.45

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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.