Home / 286,630,005.44-429,946,129.10-87,211,274.94

Finding the Fourth Proportional to 286,630,005.44, 429,946,129.10 and 87,211,274.94

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Solution

The fourth proportional to 286,630,005.44, 429,946,129.10 and 87,211,274.94 is: 130,817,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,630,005.44 : 429,946,129.10 = 87,211,274.94 : x
  2. Step 2: Convert to fraction form
    286,630,005.44/429,946,129.10 = 87,211,274.94/x
  3. Step 3: Cross multiply
    286,630,005.44x = 429,946,129.10 × 87,211,274.94
  4. Step 4: Simplify right side
    286,630,005.44x = 37,496,150,074,546,864
  5. Step 5: Solve for x
    x = 37,496,150,074,546,864/286,630,005.44
  6. Step 6: Final answer
    x = 130,817,253.47

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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.