Home / 92,349,995.40-138,433,625.10-43,742,413.80

Finding the Fourth Proportional to 92,349,995.40, 138,433,625.10 and 43,742,413.80

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Solution

The fourth proportional to 92,349,995.40, 138,433,625.10 and 43,742,413.80 is: 65,570,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,349,995.40 : 138,433,625.10 = 43,742,413.80 : x
  2. Step 2: Convert to fraction form
    92,349,995.40/138,433,625.10 = 43,742,413.80/x
  3. Step 3: Cross multiply
    92,349,995.40x = 138,433,625.10 × 43,742,413.80
  4. Step 4: Simplify right side
    92,349,995.40x = 6,055,420,912,958,266
  5. Step 5: Solve for x
    x = 6,055,420,912,958,266/92,349,995.40
  6. Step 6: Final answer
    x = 65,570,343.42

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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.