Home / 54,658,252.40-81,931,391.40-31,927,449.20

Finding the Fourth Proportional to 54,658,252.40, 81,931,391.40 and 31,927,449.20

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Solution

The fourth proportional to 54,658,252.40, 81,931,391.40 and 31,927,449.20 is: 47,858,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,658,252.40 : 81,931,391.40 = 31,927,449.20 : x
  2. Step 2: Convert to fraction form
    54,658,252.40/81,931,391.40 = 31,927,449.20/x
  3. Step 3: Cross multiply
    54,658,252.40x = 81,931,391.40 × 31,927,449.20
  4. Step 4: Simplify right side
    54,658,252.40x = 2,615,860,336,808,817
  5. Step 5: Solve for x
    x = 2,615,860,336,808,817/54,658,252.40
  6. Step 6: Final answer
    x = 47,858,470.07

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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.