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Finding the Fourth Proportional to 169,392,681.60, 254,089,022.40 and 54,388,849.20

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Solution

The fourth proportional to 169,392,681.60, 254,089,022.40 and 54,388,849.20 is: 81,583,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,392,681.60 : 254,089,022.40 = 54,388,849.20 : x
  2. Step 2: Convert to fraction form
    169,392,681.60/254,089,022.40 = 54,388,849.20/x
  3. Step 3: Cross multiply
    169,392,681.60x = 254,089,022.40 × 54,388,849.20
  4. Step 4: Simplify right side
    169,392,681.60x = 13,819,609,522,689,024
  5. Step 5: Solve for x
    x = 13,819,609,522,689,024/169,392,681.60
  6. Step 6: Final answer
    x = 81,583,273.80

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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.