Home / 118,371,087,065.42-163,486,932,963.14-80,243,099,640.50

Finding the Fourth Proportional to 118,371,087,065.42, 163,486,932,963.14 and 80,243,099,640.50

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Solution

The fourth proportional to 118,371,087,065.42, 163,486,932,963.14 and 80,243,099,640.50 is: 110,826,879,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,371,087,065.42 : 163,486,932,963.14 = 80,243,099,640.50 : x
  2. Step 2: Convert to fraction form
    118,371,087,065.42/163,486,932,963.14 = 80,243,099,640.50/x
  3. Step 3: Cross multiply
    118,371,087,065.42x = 163,486,932,963.14 × 80,243,099,640.50
  4. Step 4: Simplify right side
    118,371,087,065.42x = 13,118,698,251,680,988,790,784
  5. Step 5: Solve for x
    x = 13,118,698,251,680,988,790,784/118,371,087,065.42
  6. Step 6: Final answer
    x = 110,826,879,915.62

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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.