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Finding the Fourth Proportional to 108,544,045.40, 152,364,771.40 and 108,544,045.40

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Solution

The fourth proportional to 108,544,045.40, 152,364,771.40 and 108,544,045.40 is: 152,364,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,544,045.40 : 152,364,771.40 = 108,544,045.40 : x
  2. Step 2: Convert to fraction form
    108,544,045.40/152,364,771.40 = 108,544,045.40/x
  3. Step 3: Cross multiply
    108,544,045.40x = 152,364,771.40 × 108,544,045.40
  4. Step 4: Simplify right side
    108,544,045.40x = 16,538,288,664,202,224
  5. Step 5: Solve for x
    x = 16,538,288,664,202,224/108,544,045.40
  6. Step 6: Final answer
    x = 152,364,771.40

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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.