Home / 315,184,790.12-434,950,470.07-174,061,981.84

Finding the Fourth Proportional to 315,184,790.12, 434,950,470.07 and 174,061,981.84

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Solution

The fourth proportional to 315,184,790.12, 434,950,470.07 and 174,061,981.84 is: 240,203,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,184,790.12 : 434,950,470.07 = 174,061,981.84 : x
  2. Step 2: Convert to fraction form
    315,184,790.12/434,950,470.07 = 174,061,981.84/x
  3. Step 3: Cross multiply
    315,184,790.12x = 434,950,470.07 × 174,061,981.84
  4. Step 4: Simplify right side
    315,184,790.12x = 75,708,340,822,894,608
  5. Step 5: Solve for x
    x = 75,708,340,822,894,608/315,184,790.12
  6. Step 6: Final answer
    x = 240,203,027.55

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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.