Home / 74,354,143.92-111,574,868.64-31,220,030.40

Finding the Fourth Proportional to 74,354,143.92, 111,574,868.64 and 31,220,030.40

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Solution

The fourth proportional to 74,354,143.92, 111,574,868.64 and 31,220,030.40 is: 46,848,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,354,143.92 : 111,574,868.64 = 31,220,030.40 : x
  2. Step 2: Convert to fraction form
    74,354,143.92/111,574,868.64 = 31,220,030.40/x
  3. Step 3: Cross multiply
    74,354,143.92x = 111,574,868.64 × 31,220,030.40
  4. Step 4: Simplify right side
    74,354,143.92x = 3,483,370,790,816,806.50
  5. Step 5: Solve for x
    x = 3,483,370,790,816,806.50/74,354,143.92
  6. Step 6: Final answer
    x = 46,848,374.65

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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.