Home / 53,130,505.86-73,295,047.26-31,090,485.06

Finding the Fourth Proportional to 53,130,505.86, 73,295,047.26 and 31,090,485.06

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Solution

The fourth proportional to 53,130,505.86, 73,295,047.26 and 31,090,485.06 is: 42,890,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130,505.86 : 73,295,047.26 = 31,090,485.06 : x
  2. Step 2: Convert to fraction form
    53,130,505.86/73,295,047.26 = 31,090,485.06/x
  3. Step 3: Cross multiply
    53,130,505.86x = 73,295,047.26 × 31,090,485.06
  4. Step 4: Simplify right side
    53,130,505.86x = 2,278,778,571,809,024
  5. Step 5: Solve for x
    x = 2,278,778,571,809,024/53,130,505.86
  6. Step 6: Final answer
    x = 42,890,210.34

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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.