Home / 54,519,477.60-81,779,216.40-19,975,812.60

Finding the Fourth Proportional to 54,519,477.60, 81,779,216.40 and 19,975,812.60

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Solution

The fourth proportional to 54,519,477.60, 81,779,216.40 and 19,975,812.60 is: 29,963,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,519,477.60 : 81,779,216.40 = 19,975,812.60 : x
  2. Step 2: Convert to fraction form
    54,519,477.60/81,779,216.40 = 19,975,812.60/x
  3. Step 3: Cross multiply
    54,519,477.60x = 81,779,216.40 × 19,975,812.60
  4. Step 4: Simplify right side
    54,519,477.60x = 1,633,606,301,381,247
  5. Step 5: Solve for x
    x = 1,633,606,301,381,247/54,519,477.60
  6. Step 6: Final answer
    x = 29,963,718.90

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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.