Home / 54,310,698.40-81,466,047.60-31,352,447.20

Finding the Fourth Proportional to 54,310,698.40, 81,466,047.60 and 31,352,447.20

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Solution

The fourth proportional to 54,310,698.40, 81,466,047.60 and 31,352,447.20 is: 47,028,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310,698.40 : 81,466,047.60 = 31,352,447.20 : x
  2. Step 2: Convert to fraction form
    54,310,698.40/81,466,047.60 = 31,352,447.20/x
  3. Step 3: Cross multiply
    54,310,698.40x = 81,466,047.60 × 31,352,447.20
  4. Step 4: Simplify right side
    54,310,698.40x = 2,554,159,955,971,686.50
  5. Step 5: Solve for x
    x = 2,554,159,955,971,686.50/54,310,698.40
  6. Step 6: Final answer
    x = 47,028,670.80

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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.