Home / 139,774,455.65-192,903,097.77-84,038,031.65

Finding the Fourth Proportional to 139,774,455.65, 192,903,097.77 and 84,038,031.65

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Solution

The fourth proportional to 139,774,455.65, 192,903,097.77 and 84,038,031.65 is: 115,981,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,774,455.65 : 192,903,097.77 = 84,038,031.65 : x
  2. Step 2: Convert to fraction form
    139,774,455.65/192,903,097.77 = 84,038,031.65/x
  3. Step 3: Cross multiply
    139,774,455.65x = 192,903,097.77 × 84,038,031.65
  4. Step 4: Simplify right side
    139,774,455.65x = 16,211,196,634,813,790
  5. Step 5: Solve for x
    x = 16,211,196,634,813,790/139,774,455.65
  6. Step 6: Final answer
    x = 115,981,110.85

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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.