Home / 255,616,233.60-383,424,350.40-212,534,083.20

Finding the Fourth Proportional to 255,616,233.60, 383,424,350.40 and 212,534,083.20

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Solution

The fourth proportional to 255,616,233.60, 383,424,350.40 and 212,534,083.20 is: 318,801,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,616,233.60 : 383,424,350.40 = 212,534,083.20 : x
  2. Step 2: Convert to fraction form
    255,616,233.60/383,424,350.40 = 212,534,083.20/x
  3. Step 3: Cross multiply
    255,616,233.60x = 383,424,350.40 × 212,534,083.20
  4. Step 4: Simplify right side
    255,616,233.60x = 81,490,742,788,819,536
  5. Step 5: Solve for x
    x = 81,490,742,788,819,536/255,616,233.60
  6. Step 6: Final answer
    x = 318,801,124.80

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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.