Home / 156,470,443.56-216,076,247.46-100,813,568.04

Finding the Fourth Proportional to 156,470,443.56, 216,076,247.46 and 100,813,568.04

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Solution

The fourth proportional to 156,470,443.56, 216,076,247.46 and 100,813,568.04 is: 139,217,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,470,443.56 : 216,076,247.46 = 100,813,568.04 : x
  2. Step 2: Convert to fraction form
    156,470,443.56/216,076,247.46 = 100,813,568.04/x
  3. Step 3: Cross multiply
    156,470,443.56x = 216,076,247.46 × 100,813,568.04
  4. Step 4: Simplify right side
    156,470,443.56x = 21,783,417,475,136,588
  5. Step 5: Solve for x
    x = 21,783,417,475,136,588/156,470,443.56
  6. Step 6: Final answer
    x = 139,217,458.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.