Home / 212,111,934,368.94-318,227,593,007.61-92,739,741,979.50

Finding the Fourth Proportional to 212,111,934,368.94, 318,227,593,007.61 and 92,739,741,979.50

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Solution

The fourth proportional to 212,111,934,368.94, 318,227,593,007.61 and 92,739,741,979.50 is: 139,135,711,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,111,934,368.94 : 318,227,593,007.61 = 92,739,741,979.50 : x
  2. Step 2: Convert to fraction form
    212,111,934,368.94/318,227,593,007.61 = 92,739,741,979.50/x
  3. Step 3: Cross multiply
    212,111,934,368.94x = 318,227,593,007.61 × 92,739,741,979.50
  4. Step 4: Simplify right side
    212,111,934,368.94x = 29,512,344,866,283,086,413,824
  5. Step 5: Solve for x
    x = 29,512,344,866,283,086,413,824/212,111,934,368.94
  6. Step 6: Final answer
    x = 139,135,711,312.45

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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.