Home / 98,185,854.60-147,255,162.30-30,029,136.84

Finding the Fourth Proportional to 98,185,854.60, 147,255,162.30 and 30,029,136.84

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Solution

The fourth proportional to 98,185,854.60, 147,255,162.30 and 30,029,136.84 is: 45,036,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,185,854.60 : 147,255,162.30 = 30,029,136.84 : x
  2. Step 2: Convert to fraction form
    98,185,854.60/147,255,162.30 = 30,029,136.84/x
  3. Step 3: Cross multiply
    98,185,854.60x = 147,255,162.30 × 30,029,136.84
  4. Step 4: Simplify right side
    98,185,854.60x = 4,421,945,419,103,109.50
  5. Step 5: Solve for x
    x = 4,421,945,419,103,109.50/98,185,854.60
  6. Step 6: Final answer
    x = 45,036,481.45

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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.