Home / 78,579,831.80-117,922,891.80-44,036,166.80

Finding the Fourth Proportional to 78,579,831.80, 117,922,891.80 and 44,036,166.80

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Solution

The fourth proportional to 78,579,831.80, 117,922,891.80 and 44,036,166.80 is: 66,084,032.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,579,831.80 : 117,922,891.80 = 44,036,166.80 : x
  2. Step 2: Convert to fraction form
    78,579,831.80/117,922,891.80 = 44,036,166.80/x
  3. Step 3: Cross multiply
    78,579,831.80x = 117,922,891.80 × 44,036,166.80
  4. Step 4: Simplify right side
    78,579,831.80x = 5,192,872,132,843,152
  5. Step 5: Solve for x
    x = 5,192,872,132,843,152/78,579,831.80
  6. Step 6: Final answer
    x = 66,084,032.17

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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.