Home / 219,792,643.86-303,314,445.36-120,679,810.91

Finding the Fourth Proportional to 219,792,643.86, 303,314,445.36 and 120,679,810.91

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Solution

The fourth proportional to 219,792,643.86, 303,314,445.36 and 120,679,810.91 is: 166,538,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,792,643.86 : 303,314,445.36 = 120,679,810.91 : x
  2. Step 2: Convert to fraction form
    219,792,643.86/303,314,445.36 = 120,679,810.91/x
  3. Step 3: Cross multiply
    219,792,643.86x = 303,314,445.36 × 120,679,810.91
  4. Step 4: Simplify right side
    219,792,643.86x = 36,603,929,912,316,328
  5. Step 5: Solve for x
    x = 36,603,929,912,316,328/219,792,643.86
  6. Step 6: Final answer
    x = 166,538,466.75

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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.