Home / 143,607,177,817.20-215,410,766,725.80-90,711,367,052.40

Finding the Fourth Proportional to 143,607,177,817.20, 215,410,766,725.80 and 90,711,367,052.40

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Solution

The fourth proportional to 143,607,177,817.20, 215,410,766,725.80 and 90,711,367,052.40 is: 136,067,050,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,607,177,817.20 : 215,410,766,725.80 = 90,711,367,052.40 : x
  2. Step 2: Convert to fraction form
    143,607,177,817.20/215,410,766,725.80 = 90,711,367,052.40/x
  3. Step 3: Cross multiply
    143,607,177,817.20x = 215,410,766,725.80 × 90,711,367,052.40
  4. Step 4: Simplify right side
    143,607,177,817.20x = 19,540,205,127,502,953,185,280
  5. Step 5: Solve for x
    x = 19,540,205,127,502,953,185,280/143,607,177,817.20
  6. Step 6: Final answer
    x = 136,067,050,578.60

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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.