Home / 54,218,987.88-74,821,858.02-31,014,499.92

Finding the Fourth Proportional to 54,218,987.88, 74,821,858.02 and 31,014,499.92

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Solution

The fourth proportional to 54,218,987.88, 74,821,858.02 and 31,014,499.92 is: 42,799,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,218,987.88 : 74,821,858.02 = 31,014,499.92 : x
  2. Step 2: Convert to fraction form
    54,218,987.88/74,821,858.02 = 31,014,499.92/x
  3. Step 3: Cross multiply
    54,218,987.88x = 74,821,858.02 × 31,014,499.92
  4. Step 4: Simplify right side
    54,218,987.88x = 2,320,562,509,575,541.50
  5. Step 5: Solve for x
    x = 2,320,562,509,575,541.50/54,218,987.88
  6. Step 6: Final answer
    x = 42,799,812.40

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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.