Home / 212,018,188,242.54-318,003,710,757.49-75,874,818,484.47

Finding the Fourth Proportional to 212,018,188,242.54, 318,003,710,757.49 and 75,874,818,484.47

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Solution

The fourth proportional to 212,018,188,242.54, 318,003,710,757.49 and 75,874,818,484.47 is: 113,803,792,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,018,188,242.54 : 318,003,710,757.49 = 75,874,818,484.47 : x
  2. Step 2: Convert to fraction form
    212,018,188,242.54/318,003,710,757.49 = 75,874,818,484.47/x
  3. Step 3: Cross multiply
    212,018,188,242.54x = 318,003,710,757.49 × 75,874,818,484.47
  4. Step 4: Simplify right side
    212,018,188,242.54x = 24,128,473,831,110,862,700,544
  5. Step 5: Solve for x
    x = 24,128,473,831,110,862,700,544/212,018,188,242.54
  6. Step 6: Final answer
    x = 113,803,792,170.46

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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.