Home / 60,279,157,838.64-90,432,358,718.72-19,941,914,915.15

Finding the Fourth Proportional to 60,279,157,838.64, 90,432,358,718.72 and 19,941,914,915.15

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Solution

The fourth proportional to 60,279,157,838.64, 90,432,358,718.72 and 19,941,914,915.15 is: 29,917,378,872.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,279,157,838.64 : 90,432,358,718.72 = 19,941,914,915.15 : x
  2. Step 2: Convert to fraction form
    60,279,157,838.64/90,432,358,718.72 = 19,941,914,915.15/x
  3. Step 3: Cross multiply
    60,279,157,838.64x = 90,432,358,718.72 × 19,941,914,915.15
  4. Step 4: Simplify right side
    60,279,157,838.64x = 1,803,394,403,144,675,885,056
  5. Step 5: Solve for x
    x = 1,803,394,403,144,675,885,056/60,279,157,838.64
  6. Step 6: Final answer
    x = 29,917,378,872.02

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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.