Home / 69,004,830,753.76-94,536,177,200.64-66,424,370,891.77

Finding the Fourth Proportional to 69,004,830,753.76, 94,536,177,200.64 and 66,424,370,891.77

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Solution

The fourth proportional to 69,004,830,753.76, 94,536,177,200.64 and 66,424,370,891.77 is: 91,000,963,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,004,830,753.76 : 94,536,177,200.64 = 66,424,370,891.77 : x
  2. Step 2: Convert to fraction form
    69,004,830,753.76/94,536,177,200.64 = 66,424,370,891.77/x
  3. Step 3: Cross multiply
    69,004,830,753.76x = 94,536,177,200.64 × 66,424,370,891.77
  4. Step 4: Simplify right side
    69,004,830,753.76x = 6,279,506,097,065,024,290,816
  5. Step 5: Solve for x
    x = 6,279,506,097,065,024,290,816/69,004,830,753.76
  6. Step 6: Final answer
    x = 91,000,963,678.51

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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.