Home / 139,812,307.71-192,942,497.64-77,088,527.04

Finding the Fourth Proportional to 139,812,307.71, 192,942,497.64 and 77,088,527.04

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Solution

The fourth proportional to 139,812,307.71, 192,942,497.64 and 77,088,527.04 is: 106,383,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,812,307.71 : 192,942,497.64 = 77,088,527.04 : x
  2. Step 2: Convert to fraction form
    139,812,307.71/192,942,497.64 = 77,088,527.04/x
  3. Step 3: Cross multiply
    139,812,307.71x = 192,942,497.64 × 77,088,527.04
  4. Step 4: Simplify right side
    139,812,307.71x = 14,873,652,946,486,276
  5. Step 5: Solve for x
    x = 14,873,652,946,486,276/139,812,307.71
  6. Step 6: Final answer
    x = 106,383,001.54

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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.