Home / 125,570,921.52-173,302,222.50-69,821,900.40

Finding the Fourth Proportional to 125,570,921.52, 173,302,222.50 and 69,821,900.40

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Solution

The fourth proportional to 125,570,921.52, 173,302,222.50 and 69,821,900.40 is: 96,362,202.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,570,921.52 : 173,302,222.50 = 69,821,900.40 : x
  2. Step 2: Convert to fraction form
    125,570,921.52/173,302,222.50 = 69,821,900.40/x
  3. Step 3: Cross multiply
    125,570,921.52x = 173,302,222.50 × 69,821,900.40
  4. Step 4: Simplify right side
    125,570,921.52x = 12,100,290,518,493,640
  5. Step 5: Solve for x
    x = 12,100,290,518,493,640/125,570,921.52
  6. Step 6: Final answer
    x = 96,362,202.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.