Home / 192,009,672.40-288,014,508.60-48,402,504.40

Finding the Fourth Proportional to 192,009,672.40, 288,014,508.60 and 48,402,504.40

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Solution

The fourth proportional to 192,009,672.40, 288,014,508.60 and 48,402,504.40 is: 72,603,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,009,672.40 : 288,014,508.60 = 48,402,504.40 : x
  2. Step 2: Convert to fraction form
    192,009,672.40/288,014,508.60 = 48,402,504.40/x
  3. Step 3: Cross multiply
    192,009,672.40x = 288,014,508.60 × 48,402,504.40
  4. Step 4: Simplify right side
    192,009,672.40x = 13,940,623,519,775,338
  5. Step 5: Solve for x
    x = 13,940,623,519,775,338/192,009,672.40
  6. Step 6: Final answer
    x = 72,603,756.60

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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.