Home / 111,222,981.40-166,834,472.10-106,688,018.20

Finding the Fourth Proportional to 111,222,981.40, 166,834,472.10 and 106,688,018.20

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Solution

The fourth proportional to 111,222,981.40, 166,834,472.10 and 106,688,018.20 is: 160,032,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,222,981.40 : 166,834,472.10 = 106,688,018.20 : x
  2. Step 2: Convert to fraction form
    111,222,981.40/166,834,472.10 = 106,688,018.20/x
  3. Step 3: Cross multiply
    111,222,981.40x = 166,834,472.10 × 106,688,018.20
  4. Step 4: Simplify right side
    111,222,981.40x = 17,799,239,195,792,192
  5. Step 5: Solve for x
    x = 17,799,239,195,792,192/111,222,981.40
  6. Step 6: Final answer
    x = 160,032,027.30

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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.