Home / 315,184,793.49-434,950,474.73-174,061,985.21

Finding the Fourth Proportional to 315,184,793.49, 434,950,474.73 and 174,061,985.21

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Solution

The fourth proportional to 315,184,793.49, 434,950,474.73 and 174,061,985.21 is: 240,203,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,184,793.49 : 434,950,474.73 = 174,061,985.21 : x
  2. Step 2: Convert to fraction form
    315,184,793.49/434,950,474.73 = 174,061,985.21/x
  3. Step 3: Cross multiply
    315,184,793.49x = 434,950,474.73 × 174,061,985.21
  4. Step 4: Simplify right side
    315,184,793.49x = 75,708,343,101,547,872
  5. Step 5: Solve for x
    x = 75,708,343,101,547,872/315,184,793.49
  6. Step 6: Final answer
    x = 240,203,032.21

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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.