Home / 315,184,870.08-434,950,580.16-174,062,061.72

Finding the Fourth Proportional to 315,184,870.08, 434,950,580.16 and 174,062,061.72

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Solution

The fourth proportional to 315,184,870.08, 434,950,580.16 and 174,062,061.72 is: 240,203,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,184,870.08 : 434,950,580.16 = 174,062,061.72 : x
  2. Step 2: Convert to fraction form
    315,184,870.08/434,950,580.16 = 174,062,061.72/x
  3. Step 3: Cross multiply
    315,184,870.08x = 434,950,580.16 × 174,062,061.72
  4. Step 4: Simplify right side
    315,184,870.08x = 75,708,394,728,959,728
  5. Step 5: Solve for x
    x = 75,708,394,728,959,728/315,184,870.08
  6. Step 6: Final answer
    x = 240,203,137.64

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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.