Home / 77,403,500.09-106,792,782.35-43,907,458.65

Finding the Fourth Proportional to 77,403,500.09, 106,792,782.35 and 43,907,458.65

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Solution

The fourth proportional to 77,403,500.09, 106,792,782.35 and 43,907,458.65 is: 60,578,651.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403,500.09 : 106,792,782.35 = 43,907,458.65 : x
  2. Step 2: Convert to fraction form
    77,403,500.09/106,792,782.35 = 43,907,458.65/x
  3. Step 3: Cross multiply
    77,403,500.09x = 106,792,782.35 × 43,907,458.65
  4. Step 4: Simplify right side
    77,403,500.09x = 4,688,999,674,931,537
  5. Step 5: Solve for x
    x = 4,688,999,674,931,537/77,403,500.09
  6. Step 6: Final answer
    x = 60,578,651.73

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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.