Home / 98,870,539.60-148,305,809.40-30,734,117.20

Finding the Fourth Proportional to 98,870,539.60, 148,305,809.40 and 30,734,117.20

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Solution

The fourth proportional to 98,870,539.60, 148,305,809.40 and 30,734,117.20 is: 46,101,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,870,539.60 : 148,305,809.40 = 30,734,117.20 : x
  2. Step 2: Convert to fraction form
    98,870,539.60/148,305,809.40 = 30,734,117.20/x
  3. Step 3: Cross multiply
    98,870,539.60x = 148,305,809.40 × 30,734,117.20
  4. Step 4: Simplify right side
    98,870,539.60x = 4,558,048,127,540,462
  5. Step 5: Solve for x
    x = 4,558,048,127,540,462/98,870,539.60
  6. Step 6: Final answer
    x = 46,101,175.80

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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.