Home / 252,742,431.60-379,113,647.40-143,903,314.80

Finding the Fourth Proportional to 252,742,431.60, 379,113,647.40 and 143,903,314.80

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Solution

The fourth proportional to 252,742,431.60, 379,113,647.40 and 143,903,314.80 is: 215,854,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,742,431.60 : 379,113,647.40 = 143,903,314.80 : x
  2. Step 2: Convert to fraction form
    252,742,431.60/379,113,647.40 = 143,903,314.80/x
  3. Step 3: Cross multiply
    252,742,431.60x = 379,113,647.40 × 143,903,314.80
  4. Step 4: Simplify right side
    252,742,431.60x = 54,555,710,546,778,400
  5. Step 5: Solve for x
    x = 54,555,710,546,778,400/252,742,431.60
  6. Step 6: Final answer
    x = 215,854,972.20

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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.