Home / 301,072,936.18-414,706,526.82-212,815,200.70

Finding the Fourth Proportional to 301,072,936.18, 414,706,526.82 and 212,815,200.70

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Solution

The fourth proportional to 301,072,936.18, 414,706,526.82 and 212,815,200.70 is: 293,137,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,072,936.18 : 414,706,526.82 = 212,815,200.70 : x
  2. Step 2: Convert to fraction form
    301,072,936.18/414,706,526.82 = 212,815,200.70/x
  3. Step 3: Cross multiply
    301,072,936.18x = 414,706,526.82 × 212,815,200.70
  4. Step 4: Simplify right side
    301,072,936.18x = 88,255,852,736,798,224
  5. Step 5: Solve for x
    x = 88,255,852,736,798,224/301,072,936.18
  6. Step 6: Final answer
    x = 293,137,782.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.