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Finding the Fourth Proportional to 124,445,223.60, 173,820,205.20 and 124,445,223.60

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Solution

The fourth proportional to 124,445,223.60, 173,820,205.20 and 124,445,223.60 is: 173,820,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,445,223.60 : 173,820,205.20 = 124,445,223.60 : x
  2. Step 2: Convert to fraction form
    124,445,223.60/173,820,205.20 = 124,445,223.60/x
  3. Step 3: Cross multiply
    124,445,223.60x = 173,820,205.20 × 124,445,223.60
  4. Step 4: Simplify right side
    124,445,223.60x = 21,631,094,302,311,880
  5. Step 5: Solve for x
    x = 21,631,094,302,311,880/124,445,223.60
  6. Step 6: Final answer
    x = 173,820,205.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.