Home / 77,403,151.34-106,792,297.69-43,907,114.01

Finding the Fourth Proportional to 77,403,151.34, 106,792,297.69 and 43,907,114.01

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Solution

The fourth proportional to 77,403,151.34, 106,792,297.69 and 43,907,114.01 is: 60,578,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403,151.34 : 106,792,297.69 = 43,907,114.01 : x
  2. Step 2: Convert to fraction form
    77,403,151.34/106,792,297.69 = 43,907,114.01/x
  3. Step 3: Cross multiply
    77,403,151.34x = 106,792,297.69 × 43,907,114.01
  4. Step 4: Simplify right side
    77,403,151.34x = 4,688,941,590,064,689
  5. Step 5: Solve for x
    x = 4,688,941,590,064,689/77,403,151.34
  6. Step 6: Final answer
    x = 60,578,174.26

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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.