Home / 313,745,031.41-470,675,007.02-129,411,951.44

Finding the Fourth Proportional to 313,745,031.41, 470,675,007.02 and 129,411,951.44

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Solution

The fourth proportional to 313,745,031.41, 470,675,007.02 and 129,411,951.44 is: 194,141,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,745,031.41 : 470,675,007.02 = 129,411,951.44 : x
  2. Step 2: Convert to fraction form
    313,745,031.41/470,675,007.02 = 129,411,951.44/x
  3. Step 3: Cross multiply
    313,745,031.41x = 470,675,007.02 × 129,411,951.44
  4. Step 4: Simplify right side
    313,745,031.41x = 60,910,971,150,464,056
  5. Step 5: Solve for x
    x = 60,910,971,150,464,056/313,745,031.41
  6. Step 6: Final answer
    x = 194,141,627.93

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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.