Home / 53,220,409.20-73,444,271.40-28,774,123.20

Finding the Fourth Proportional to 53,220,409.20, 73,444,271.40 and 28,774,123.20

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Solution

The fourth proportional to 53,220,409.20, 73,444,271.40 and 28,774,123.20 is: 39,708,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220,409.20 : 73,444,271.40 = 28,774,123.20 : x
  2. Step 2: Convert to fraction form
    53,220,409.20/73,444,271.40 = 28,774,123.20/x
  3. Step 3: Cross multiply
    53,220,409.20x = 73,444,271.40 × 28,774,123.20
  4. Step 4: Simplify right side
    53,220,409.20x = 2,113,294,513,597,836.50
  5. Step 5: Solve for x
    x = 2,113,294,513,597,836.50/53,220,409.20
  6. Step 6: Final answer
    x = 39,708,347.71

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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.