Home / 74,907,011,817.36-112,281,864,108.12-25,203,078,213.84

Finding the Fourth Proportional to 74,907,011,817.36, 112,281,864,108.12 and 25,203,078,213.84

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Solution

The fourth proportional to 74,907,011,817.36, 112,281,864,108.12 and 25,203,078,213.84 is: 37,778,153,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,907,011,817.36 : 112,281,864,108.12 = 25,203,078,213.84 : x
  2. Step 2: Convert to fraction form
    74,907,011,817.36/112,281,864,108.12 = 25,203,078,213.84/x
  3. Step 3: Cross multiply
    74,907,011,817.36x = 112,281,864,108.12 × 25,203,078,213.84
  4. Step 4: Simplify right side
    74,907,011,817.36x = 2,829,848,603,112,702,476,288
  5. Step 5: Solve for x
    x = 2,829,848,603,112,702,476,288/74,907,011,817.36
  6. Step 6: Final answer
    x = 37,778,153,666.21

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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.