Home / 381,630,015.60-572,551,311.60-187,547,762.40

Finding the Fourth Proportional to 381,630,015.60, 572,551,311.60 and 187,547,762.40

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Solution

The fourth proportional to 381,630,015.60, 572,551,311.60 and 187,547,762.40 is: 281,373,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,630,015.60 : 572,551,311.60 = 187,547,762.40 : x
  2. Step 2: Convert to fraction form
    381,630,015.60/572,551,311.60 = 187,547,762.40/x
  3. Step 3: Cross multiply
    381,630,015.60x = 572,551,311.60 × 187,547,762.40
  4. Step 4: Simplify right side
    381,630,015.60x = 107,380,717,349,765,168
  5. Step 5: Solve for x
    x = 107,380,717,349,765,168/381,630,015.60
  6. Step 6: Final answer
    x = 281,373,877.74

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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.