Home / 115,507,017.26-173,258,893.31-28,069,176.94

Finding the Fourth Proportional to 115,507,017.26, 173,258,893.31 and 28,069,176.94

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Solution

The fourth proportional to 115,507,017.26, 173,258,893.31 and 28,069,176.94 is: 42,103,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,507,017.26 : 173,258,893.31 = 28,069,176.94 : x
  2. Step 2: Convert to fraction form
    115,507,017.26/173,258,893.31 = 28,069,176.94/x
  3. Step 3: Cross multiply
    115,507,017.26x = 173,258,893.31 × 28,069,176.94
  4. Step 4: Simplify right side
    115,507,017.26x = 4,863,234,532,746,973
  5. Step 5: Solve for x
    x = 4,863,234,532,746,973/115,507,017.26
  6. Step 6: Final answer
    x = 42,103,368.68

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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.