Home / 101,139,950.56-151,709,914.32-42,856,808.80

Finding the Fourth Proportional to 101,139,950.56, 151,709,914.32 and 42,856,808.80

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Solution

The fourth proportional to 101,139,950.56, 151,709,914.32 and 42,856,808.80 is: 64,285,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,139,950.56 : 151,709,914.32 = 42,856,808.80 : x
  2. Step 2: Convert to fraction form
    101,139,950.56/151,709,914.32 = 42,856,808.80/x
  3. Step 3: Cross multiply
    101,139,950.56x = 151,709,914.32 × 42,856,808.80
  4. Step 4: Simplify right side
    101,139,950.56x = 6,501,802,791,076,621
  5. Step 5: Solve for x
    x = 6,501,802,791,076,621/101,139,950.56
  6. Step 6: Final answer
    x = 64,285,208.32

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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.