Home / 21,122,871,202.45-31,684,306,803.68-21,122,871,202.45

Finding the Fourth Proportional to 21,122,871,202.45, 31,684,306,803.68 and 21,122,871,202.45

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Solution

The fourth proportional to 21,122,871,202.45, 31,684,306,803.68 and 21,122,871,202.45 is: 31,684,306,803.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,122,871,202.45 : 31,684,306,803.68 = 21,122,871,202.45 : x
  2. Step 2: Convert to fraction form
    21,122,871,202.45/31,684,306,803.68 = 21,122,871,202.45/x
  3. Step 3: Cross multiply
    21,122,871,202.45x = 31,684,306,803.68 × 21,122,871,202.45
  4. Step 4: Simplify right side
    21,122,871,202.45x = 669,263,531,752,937,226,240
  5. Step 5: Solve for x
    x = 669,263,531,752,937,226,240/21,122,871,202.45
  6. Step 6: Final answer
    x = 31,684,306,803.68

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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.