Home / 192,456,646.40-288,696,028.80-56,163,065.60

Finding the Fourth Proportional to 192,456,646.40, 288,696,028.80 and 56,163,065.60

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Solution

The fourth proportional to 192,456,646.40, 288,696,028.80 and 56,163,065.60 is: 84,247,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,646.40 : 288,696,028.80 = 56,163,065.60 : x
  2. Step 2: Convert to fraction form
    192,456,646.40/288,696,028.80 = 56,163,065.60/x
  3. Step 3: Cross multiply
    192,456,646.40x = 288,696,028.80 × 56,163,065.60
  4. Step 4: Simplify right side
    192,456,646.40x = 16,214,054,003,953,890
  5. Step 5: Solve for x
    x = 16,214,054,003,953,890/192,456,646.40
  6. Step 6: Final answer
    x = 84,247,825.72

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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.