Home / 127,561,683,138.40-191,296,608,205.20-64,656,074,850.40

Finding the Fourth Proportional to 127,561,683,138.40, 191,296,608,205.20 and 64,656,074,850.40

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Solution

The fourth proportional to 127,561,683,138.40, 191,296,608,205.20 and 64,656,074,850.40 is: 96,960,838,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,561,683,138.40 : 191,296,608,205.20 = 64,656,074,850.40 : x
  2. Step 2: Convert to fraction form
    127,561,683,138.40/191,296,608,205.20 = 64,656,074,850.40/x
  3. Step 3: Cross multiply
    127,561,683,138.40x = 191,296,608,205.20 × 64,656,074,850.40
  4. Step 4: Simplify right side
    127,561,683,138.40x = 12,368,487,818,743,055,908,864
  5. Step 5: Solve for x
    x = 12,368,487,818,743,055,908,864/127,561,683,138.40
  6. Step 6: Final answer
    x = 96,960,838,979.55

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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.