Home / 54,638,689.14-75,398,430.66-30,190,828.50

Finding the Fourth Proportional to 54,638,689.14, 75,398,430.66 and 30,190,828.50

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Solution

The fourth proportional to 54,638,689.14, 75,398,430.66 and 30,190,828.50 is: 41,661,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,638,689.14 : 75,398,430.66 = 30,190,828.50 : x
  2. Step 2: Convert to fraction form
    54,638,689.14/75,398,430.66 = 30,190,828.50/x
  3. Step 3: Cross multiply
    54,638,689.14x = 75,398,430.66 × 30,190,828.50
  4. Step 4: Simplify right side
    54,638,689.14x = 2,276,341,089,225,201.50
  5. Step 5: Solve for x
    x = 2,276,341,089,225,201.50/54,638,689.14
  6. Step 6: Final answer
    x = 41,661,707.57

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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.