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Finding the Fourth Proportional to 85,100,544,030.15, 127,650,816,045.23 and 85,100,544,030.15

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Solution

The fourth proportional to 85,100,544,030.15, 127,650,816,045.23 and 85,100,544,030.15 is: 127,650,816,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,544,030.15 : 127,650,816,045.23 = 85,100,544,030.15 : x
  2. Step 2: Convert to fraction form
    85,100,544,030.15/127,650,816,045.23 = 85,100,544,030.15/x
  3. Step 3: Cross multiply
    85,100,544,030.15x = 127,650,816,045.23 × 85,100,544,030.15
  4. Step 4: Simplify right side
    85,100,544,030.15x = 10,863,153,891,341,672,382,464
  5. Step 5: Solve for x
    x = 10,863,153,891,341,672,382,464/85,100,544,030.15
  6. Step 6: Final answer
    x = 127,650,816,045.23

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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.