Home / 112,332,074.40-168,498,111.60-74,036,829.60

Finding the Fourth Proportional to 112,332,074.40, 168,498,111.60 and 74,036,829.60

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Solution

The fourth proportional to 112,332,074.40, 168,498,111.60 and 74,036,829.60 is: 111,055,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,332,074.40 : 168,498,111.60 = 74,036,829.60 : x
  2. Step 2: Convert to fraction form
    112,332,074.40/168,498,111.60 = 74,036,829.60/x
  3. Step 3: Cross multiply
    112,332,074.40x = 168,498,111.60 × 74,036,829.60
  4. Step 4: Simplify right side
    112,332,074.40x = 12,475,065,976,450,982
  5. Step 5: Solve for x
    x = 12,475,065,976,450,982/112,332,074.40
  6. Step 6: Final answer
    x = 111,055,244.40

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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.