Home / 111,352,657.09-166,831,368.32-46,513,771.42

Finding the Fourth Proportional to 111,352,657.09, 166,831,368.32 and 46,513,771.42

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Solution

The fourth proportional to 111,352,657.09, 166,831,368.32 and 46,513,771.42 is: 69,688,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,352,657.09 : 166,831,368.32 = 46,513,771.42 : x
  2. Step 2: Convert to fraction form
    111,352,657.09/166,831,368.32 = 46,513,771.42/x
  3. Step 3: Cross multiply
    111,352,657.09x = 166,831,368.32 × 46,513,771.42
  4. Step 4: Simplify right side
    111,352,657.09x = 7,759,956,131,489,741
  5. Step 5: Solve for x
    x = 7,759,956,131,489,741/111,352,657.09
  6. Step 6: Final answer
    x = 69,688,109.24

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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.