Home / 51,692,688.80-71,334,596.04-28,171,830.32

Finding the Fourth Proportional to 51,692,688.80, 71,334,596.04 and 28,171,830.32

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Solution

The fourth proportional to 51,692,688.80, 71,334,596.04 and 28,171,830.32 is: 38,876,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,692,688.80 : 71,334,596.04 = 28,171,830.32 : x
  2. Step 2: Convert to fraction form
    51,692,688.80/71,334,596.04 = 28,171,830.32/x
  3. Step 3: Cross multiply
    51,692,688.80x = 71,334,596.04 × 28,171,830.32
  4. Step 4: Simplify right side
    51,692,688.80x = 2,009,626,135,584,624.25
  5. Step 5: Solve for x
    x = 2,009,626,135,584,624.25/51,692,688.80
  6. Step 6: Final answer
    x = 38,876,409.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.