Home / 81,299,486,392.84-112,196,319,073.01-48,751,999,089.40

Finding the Fourth Proportional to 81,299,486,392.84, 112,196,319,073.01 and 48,751,999,089.40

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Solution

The fourth proportional to 81,299,486,392.84, 112,196,319,073.01 and 48,751,999,089.40 is: 67,279,574,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,299,486,392.84 : 112,196,319,073.01 = 48,751,999,089.40 : x
  2. Step 2: Convert to fraction form
    81,299,486,392.84/112,196,319,073.01 = 48,751,999,089.40/x
  3. Step 3: Cross multiply
    81,299,486,392.84x = 112,196,319,073.01 × 48,751,999,089.40
  4. Step 4: Simplify right side
    81,299,486,392.84x = 5,469,794,845,281,639,989,248
  5. Step 5: Solve for x
    x = 5,469,794,845,281,639,989,248/81,299,486,392.84
  6. Step 6: Final answer
    x = 67,279,574,422.54

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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.