Home / 77,684,192.07-107,196,552.63-42,874,640.52

Finding the Fourth Proportional to 77,684,192.07, 107,196,552.63 and 42,874,640.52

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Solution

The fourth proportional to 77,684,192.07, 107,196,552.63 and 42,874,640.52 is: 59,162,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,684,192.07 : 107,196,552.63 = 42,874,640.52 : x
  2. Step 2: Convert to fraction form
    77,684,192.07/107,196,552.63 = 42,874,640.52/x
  3. Step 3: Cross multiply
    77,684,192.07x = 107,196,552.63 × 42,874,640.52
  4. Step 4: Simplify right side
    77,684,192.07x = 4,596,013,658,994,511
  5. Step 5: Solve for x
    x = 4,596,013,658,994,511/77,684,192.07
  6. Step 6: Final answer
    x = 59,162,791.51

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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.