Home / 90,699,385,532.40-136,049,078,298.60-87,393,397,359.60

Finding the Fourth Proportional to 90,699,385,532.40, 136,049,078,298.60 and 87,393,397,359.60

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Solution

The fourth proportional to 90,699,385,532.40, 136,049,078,298.60 and 87,393,397,359.60 is: 131,090,096,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,385,532.40 : 136,049,078,298.60 = 87,393,397,359.60 : x
  2. Step 2: Convert to fraction form
    90,699,385,532.40/136,049,078,298.60 = 87,393,397,359.60/x
  3. Step 3: Cross multiply
    90,699,385,532.40x = 136,049,078,298.60 × 87,393,397,359.60
  4. Step 4: Simplify right side
    90,699,385,532.40x = 11,889,791,160,156,883,517,440
  5. Step 5: Solve for x
    x = 11,889,791,160,156,883,517,440/90,699,385,532.40
  6. Step 6: Final answer
    x = 131,090,096,039.40

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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.