Home / 115,879,914.27-173,792,905.47-43,130,955.78

Finding the Fourth Proportional to 115,879,914.27, 173,792,905.47 and 43,130,955.78

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Solution

The fourth proportional to 115,879,914.27, 173,792,905.47 and 43,130,955.78 is: 64,686,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,879,914.27 : 173,792,905.47 = 43,130,955.78 : x
  2. Step 2: Convert to fraction form
    115,879,914.27/173,792,905.47 = 43,130,955.78/x
  3. Step 3: Cross multiply
    115,879,914.27x = 173,792,905.47 × 43,130,955.78
  4. Step 4: Simplify right side
    115,879,914.27x = 7,495,854,120,704,290
  5. Step 5: Solve for x
    x = 7,495,854,120,704,290/115,879,914.27
  6. Step 6: Final answer
    x = 64,686,396.84

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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.