Home / 286,353,359.68-429,451,647.36-79,042,211.50

Finding the Fourth Proportional to 286,353,359.68, 429,451,647.36 and 79,042,211.50

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Solution

The fourth proportional to 286,353,359.68, 429,451,647.36 and 79,042,211.50 is: 118,541,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,353,359.68 : 429,451,647.36 = 79,042,211.50 : x
  2. Step 2: Convert to fraction form
    286,353,359.68/429,451,647.36 = 79,042,211.50/x
  3. Step 3: Cross multiply
    286,353,359.68x = 429,451,647.36 × 79,042,211.50
  4. Step 4: Simplify right side
    286,353,359.68x = 33,944,807,939,652,536
  5. Step 5: Solve for x
    x = 33,944,807,939,652,536/286,353,359.68
  6. Step 6: Final answer
    x = 118,541,678.64

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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.