Home / 87,558,780,015.12-120,827,879,228.52-47,459,898,546.96

Finding the Fourth Proportional to 87,558,780,015.12, 120,827,879,228.52 and 47,459,898,546.96

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Solution

The fourth proportional to 87,558,780,015.12, 120,827,879,228.52 and 47,459,898,546.96 is: 65,492,905,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,558,780,015.12 : 120,827,879,228.52 = 47,459,898,546.96 : x
  2. Step 2: Convert to fraction form
    87,558,780,015.12/120,827,879,228.52 = 47,459,898,546.96/x
  3. Step 3: Cross multiply
    87,558,780,015.12x = 120,827,879,228.52 × 47,459,898,546.96
  4. Step 4: Simplify right side
    87,558,780,015.12x = 5,734,478,889,829,894,455,296
  5. Step 5: Solve for x
    x = 5,734,478,889,829,894,455,296/87,558,780,015.12
  6. Step 6: Final answer
    x = 65,492,905,324.17

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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.