Home / 143,906,007.15-215,859,047.99-40,290,477.89

Finding the Fourth Proportional to 143,906,007.15, 215,859,047.99 and 40,290,477.89

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Solution

The fourth proportional to 143,906,007.15, 215,859,047.99 and 40,290,477.89 is: 60,435,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,906,007.15 : 215,859,047.99 = 40,290,477.89 : x
  2. Step 2: Convert to fraction form
    143,906,007.15/215,859,047.99 = 40,290,477.89/x
  3. Step 3: Cross multiply
    143,906,007.15x = 215,859,047.99 × 40,290,477.89
  4. Step 4: Simplify right side
    143,906,007.15x = 8,697,064,199,116,796
  5. Step 5: Solve for x
    x = 8,697,064,199,116,796/143,906,007.15
  6. Step 6: Final answer
    x = 60,435,727.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.