Home / 74,661,165.42-102,973,999.50-48,564,016.80

Finding the Fourth Proportional to 74,661,165.42, 102,973,999.50 and 48,564,016.80

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Solution

The fourth proportional to 74,661,165.42, 102,973,999.50 and 48,564,016.80 is: 66,980,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,661,165.42 : 102,973,999.50 = 48,564,016.80 : x
  2. Step 2: Convert to fraction form
    74,661,165.42/102,973,999.50 = 48,564,016.80/x
  3. Step 3: Cross multiply
    74,661,165.42x = 102,973,999.50 × 48,564,016.80
  4. Step 4: Simplify right side
    74,661,165.42x = 5,000,831,041,681,191
  5. Step 5: Solve for x
    x = 5,000,831,041,681,191/74,661,165.42
  6. Step 6: Final answer
    x = 66,980,350.68

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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.