Home / 282,364,103.69-389,671,925.66-156,921,586.79

Finding the Fourth Proportional to 282,364,103.69, 389,671,925.66 and 156,921,586.79

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Solution

The fourth proportional to 282,364,103.69, 389,671,925.66 and 156,921,586.79 is: 216,557,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,364,103.69 : 389,671,925.66 = 156,921,586.79 : x
  2. Step 2: Convert to fraction form
    282,364,103.69/389,671,925.66 = 156,921,586.79/x
  3. Step 3: Cross multiply
    282,364,103.69x = 389,671,925.66 × 156,921,586.79
  4. Step 4: Simplify right side
    282,364,103.69x = 61,147,936,899,937,608
  5. Step 5: Solve for x
    x = 61,147,936,899,937,608/282,364,103.69
  6. Step 6: Final answer
    x = 216,557,048.51

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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.