Home / 139,110,064.61-208,680,230.95-51,661,323.52

Finding the Fourth Proportional to 139,110,064.61, 208,680,230.95 and 51,661,323.52

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Solution

The fourth proportional to 139,110,064.61, 208,680,230.95 and 51,661,323.52 is: 77,497,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,110,064.61 : 208,680,230.95 = 51,661,323.52 : x
  2. Step 2: Convert to fraction form
    139,110,064.61/208,680,230.95 = 51,661,323.52/x
  3. Step 3: Cross multiply
    139,110,064.61x = 208,680,230.95 × 51,661,323.52
  4. Step 4: Simplify right side
    139,110,064.61x = 10,780,696,922,685,412
  5. Step 5: Solve for x
    x = 10,780,696,922,685,412/139,110,064.61
  6. Step 6: Final answer
    x = 77,497,605.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.