Home / 114,985,588,148.40-172,324,208,518.27-89,490,522,449.20

Finding the Fourth Proportional to 114,985,588,148.40, 172,324,208,518.27 and 89,490,522,449.20

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Solution

The fourth proportional to 114,985,588,148.40, 172,324,208,518.27 and 89,490,522,449.20 is: 134,115,793,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,985,588,148.40 : 172,324,208,518.27 = 89,490,522,449.20 : x
  2. Step 2: Convert to fraction form
    114,985,588,148.40/172,324,208,518.27 = 89,490,522,449.20/x
  3. Step 3: Cross multiply
    114,985,588,148.40x = 172,324,208,518.27 × 89,490,522,449.20
  4. Step 4: Simplify right side
    114,985,588,148.40x = 15,421,383,450,944,862,158,848
  5. Step 5: Solve for x
    x = 15,421,383,450,944,862,158,848/114,985,588,148.40
  6. Step 6: Final answer
    x = 134,115,793,981.43

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1.5x scale

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.