Home / 143,032,643.04-197,405,846.64-80,315,781.60

Finding the Fourth Proportional to 143,032,643.04, 197,405,846.64 and 80,315,781.60

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Solution

The fourth proportional to 143,032,643.04, 197,405,846.64 and 80,315,781.60 is: 110,847,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,032,643.04 : 197,405,846.64 = 80,315,781.60 : x
  2. Step 2: Convert to fraction form
    143,032,643.04/197,405,846.64 = 80,315,781.60/x
  3. Step 3: Cross multiply
    143,032,643.04x = 197,405,846.64 × 80,315,781.60
  4. Step 4: Simplify right side
    143,032,643.04x = 15,854,804,865,301,332
  5. Step 5: Solve for x
    x = 15,854,804,865,301,332/143,032,643.04
  6. Step 6: Final answer
    x = 110,847,457.81

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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.