Home / 139,774,458.16-192,903,101.22-84,038,034.16

Finding the Fourth Proportional to 139,774,458.16, 192,903,101.22 and 84,038,034.16

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Solution

The fourth proportional to 139,774,458.16, 192,903,101.22 and 84,038,034.16 is: 115,981,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,774,458.16 : 192,903,101.22 = 84,038,034.16 : x
  2. Step 2: Convert to fraction form
    139,774,458.16/192,903,101.22 = 84,038,034.16/x
  3. Step 3: Cross multiply
    139,774,458.16x = 192,903,101.22 × 84,038,034.16
  4. Step 4: Simplify right side
    139,774,458.16x = 16,211,197,409,896,296
  5. Step 5: Solve for x
    x = 16,211,197,409,896,296/139,774,458.16
  6. Step 6: Final answer
    x = 115,981,114.31

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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.