Home / 72,891,362-100,592,179.08-40,298,413.52

Finding the Fourth Proportional to 72,891,362, 100,592,179.08 and 40,298,413.52

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Solution

The fourth proportional to 72,891,362, 100,592,179.08 and 40,298,413.52 is: 55,612,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,891,362 : 100,592,179.08 = 40,298,413.52 : x
  2. Step 2: Convert to fraction form
    72,891,362/100,592,179.08 = 40,298,413.52/x
  3. Step 3: Cross multiply
    72,891,362x = 100,592,179.08 × 40,298,413.52
  4. Step 4: Simplify right side
    72,891,362x = 4,053,705,229,443,733.50
  5. Step 5: Solve for x
    x = 4,053,705,229,443,733.50/72,891,362
  6. Step 6: Final answer
    x = 55,612,971.39

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1.5x scale

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.