Home / 64,445,683.21-88,936,967.52-39,680,157.37

Finding the Fourth Proportional to 64,445,683.21, 88,936,967.52 and 39,680,157.37

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Solution

The fourth proportional to 64,445,683.21, 88,936,967.52 and 39,680,157.37 is: 54,759,802.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,445,683.21 : 88,936,967.52 = 39,680,157.37 : x
  2. Step 2: Convert to fraction form
    64,445,683.21/88,936,967.52 = 39,680,157.37/x
  3. Step 3: Cross multiply
    64,445,683.21x = 88,936,967.52 × 39,680,157.37
  4. Step 4: Simplify right side
    64,445,683.21x = 3,529,032,867,204,178
  5. Step 5: Solve for x
    x = 3,529,032,867,204,178/64,445,683.21
  6. Step 6: Final answer
    x = 54,759,802.23

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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.