Home / 80,852,071,178.18-110,991,588,437.85-69,400,759,570.57

Finding the Fourth Proportional to 80,852,071,178.18, 110,991,588,437.85 and 69,400,759,570.57

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Solution

The fourth proportional to 80,852,071,178.18, 110,991,588,437.85 and 69,400,759,570.57 is: 95,271,530,231.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,071,178.18 : 110,991,588,437.85 = 69,400,759,570.57 : x
  2. Step 2: Convert to fraction form
    80,852,071,178.18/110,991,588,437.85 = 69,400,759,570.57/x
  3. Step 3: Cross multiply
    80,852,071,178.18x = 110,991,588,437.85 × 69,400,759,570.57
  4. Step 4: Simplify right side
    80,852,071,178.18x = 7,702,900,543,531,108,007,936
  5. Step 5: Solve for x
    x = 7,702,900,543,531,108,007,936/80,852,071,178.18
  6. Step 6: Final answer
    x = 95,271,530,231.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.