Home / 117,089,205.72-161,583,293.80-64,157,502.18

Finding the Fourth Proportional to 117,089,205.72, 161,583,293.80 and 64,157,502.18

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Solution

The fourth proportional to 117,089,205.72, 161,583,293.80 and 64,157,502.18 is: 88,537,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,089,205.72 : 161,583,293.80 = 64,157,502.18 : x
  2. Step 2: Convert to fraction form
    117,089,205.72/161,583,293.80 = 64,157,502.18/x
  3. Step 3: Cross multiply
    117,089,205.72x = 161,583,293.80 × 64,157,502.18
  4. Step 4: Simplify right side
    117,089,205.72x = 10,366,780,523,641,744
  5. Step 5: Solve for x
    x = 10,366,780,523,641,744/117,089,205.72
  6. Step 6: Final answer
    x = 88,537,457.06

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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.