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Finding the Fourth Proportional to 66,739,608.70, 100,109,413.05 and 23,657,458.30

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Solution

The fourth proportional to 66,739,608.70, 100,109,413.05 and 23,657,458.30 is: 35,486,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,739,608.70 : 100,109,413.05 = 23,657,458.30 : x
  2. Step 2: Convert to fraction form
    66,739,608.70/100,109,413.05 = 23,657,458.30/x
  3. Step 3: Cross multiply
    66,739,608.70x = 100,109,413.05 × 23,657,458.30
  4. Step 4: Simplify right side
    66,739,608.70x = 2,368,334,264,667,851
  5. Step 5: Solve for x
    x = 2,368,334,264,667,851/66,739,608.70
  6. Step 6: Final answer
    x = 35,486,187.45

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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.