Home / 102,242,048,629.71-141,091,320,586.29-57,132,146,121.87

Finding the Fourth Proportional to 102,242,048,629.71, 141,091,320,586.29 and 57,132,146,121.87

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Solution

The fourth proportional to 102,242,048,629.71, 141,091,320,586.29 and 57,132,146,121.87 is: 78,840,849,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,242,048,629.71 : 141,091,320,586.29 = 57,132,146,121.87 : x
  2. Step 2: Convert to fraction form
    102,242,048,629.71/141,091,320,586.29 = 57,132,146,121.87/x
  3. Step 3: Cross multiply
    102,242,048,629.71x = 141,091,320,586.29 × 57,132,146,121.87
  4. Step 4: Simplify right side
    102,242,048,629.71x = 8,060,849,944,263,526,449,152
  5. Step 5: Solve for x
    x = 8,060,849,944,263,526,449,152/102,242,048,629.71
  6. Step 6: Final answer
    x = 78,840,849,262.10

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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.