Home / 149,645,108.40-224,355,688.20-81,564,673.20

Finding the Fourth Proportional to 149,645,108.40, 224,355,688.20 and 81,564,673.20

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Solution

The fourth proportional to 149,645,108.40, 224,355,688.20 and 81,564,673.20 is: 122,285,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,645,108.40 : 224,355,688.20 = 81,564,673.20 : x
  2. Step 2: Convert to fraction form
    149,645,108.40/224,355,688.20 = 81,564,673.20/x
  3. Step 3: Cross multiply
    149,645,108.40x = 224,355,688.20 × 81,564,673.20
  4. Step 4: Simplify right side
    149,645,108.40x = 18,299,498,388,594,096
  5. Step 5: Solve for x
    x = 18,299,498,388,594,096/149,645,108.40
  6. Step 6: Final answer
    x = 122,285,977.70

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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.