Home / 201,880,815.90-302,608,647.45-79,011,656.70

Finding the Fourth Proportional to 201,880,815.90, 302,608,647.45 and 79,011,656.70

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Solution

The fourth proportional to 201,880,815.90, 302,608,647.45 and 79,011,656.70 is: 118,434,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,880,815.90 : 302,608,647.45 = 79,011,656.70 : x
  2. Step 2: Convert to fraction form
    201,880,815.90/302,608,647.45 = 79,011,656.70/x
  3. Step 3: Cross multiply
    201,880,815.90x = 302,608,647.45 × 79,011,656.70
  4. Step 4: Simplify right side
    201,880,815.90x = 23,909,610,566,770,732
  5. Step 5: Solve for x
    x = 23,909,610,566,770,732/201,880,815.90
  6. Step 6: Final answer
    x = 118,434,287.38

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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.