Home / 103,963,571.82-143,464,045.21-56,911,543.02

Finding the Fourth Proportional to 103,963,571.82, 143,464,045.21 and 56,911,543.02

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Solution

The fourth proportional to 103,963,571.82, 143,464,045.21 and 56,911,543.02 is: 78,534,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,963,571.82 : 143,464,045.21 = 56,911,543.02 : x
  2. Step 2: Convert to fraction form
    103,963,571.82/143,464,045.21 = 56,911,543.02/x
  3. Step 3: Cross multiply
    103,963,571.82x = 143,464,045.21 × 56,911,543.02
  4. Step 4: Simplify right side
    103,963,571.82x = 8,164,760,180,792,141
  5. Step 5: Solve for x
    x = 8,164,760,180,792,141/103,963,571.82
  6. Step 6: Final answer
    x = 78,534,817.90

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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.