Home / 219,792,643.43-303,314,444.76-120,679,810.47

Finding the Fourth Proportional to 219,792,643.43, 303,314,444.76 and 120,679,810.47

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Solution

The fourth proportional to 219,792,643.43, 303,314,444.76 and 120,679,810.47 is: 166,538,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,792,643.43 : 303,314,444.76 = 120,679,810.47 : x
  2. Step 2: Convert to fraction form
    219,792,643.43/303,314,444.76 = 120,679,810.47/x
  3. Step 3: Cross multiply
    219,792,643.43x = 303,314,444.76 × 120,679,810.47
  4. Step 4: Simplify right side
    219,792,643.43x = 36,603,929,706,450,080
  5. Step 5: Solve for x
    x = 36,603,929,706,450,080/219,792,643.43
  6. Step 6: Final answer
    x = 166,538,466.15

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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.