Home / 115,344,128.40-173,016,192.60-101,907,200.40

Finding the Fourth Proportional to 115,344,128.40, 173,016,192.60 and 101,907,200.40

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Solution

The fourth proportional to 115,344,128.40, 173,016,192.60 and 101,907,200.40 is: 152,860,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,344,128.40 : 173,016,192.60 = 101,907,200.40 : x
  2. Step 2: Convert to fraction form
    115,344,128.40/173,016,192.60 = 101,907,200.40/x
  3. Step 3: Cross multiply
    115,344,128.40x = 173,016,192.60 × 101,907,200.40
  4. Step 4: Simplify right side
    115,344,128.40x = 17,631,595,811,733,198
  5. Step 5: Solve for x
    x = 17,631,595,811,733,198/115,344,128.40
  6. Step 6: Final answer
    x = 152,860,800.60

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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.