Home / 98,010,626.60-147,015,939.90-82,705,125.80

Finding the Fourth Proportional to 98,010,626.60, 147,015,939.90 and 82,705,125.80

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Solution

The fourth proportional to 98,010,626.60, 147,015,939.90 and 82,705,125.80 is: 124,057,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,010,626.60 : 147,015,939.90 = 82,705,125.80 : x
  2. Step 2: Convert to fraction form
    98,010,626.60/147,015,939.90 = 82,705,125.80/x
  3. Step 3: Cross multiply
    98,010,626.60x = 147,015,939.90 × 82,705,125.80
  4. Step 4: Simplify right side
    98,010,626.60x = 12,158,971,804,034,740
  5. Step 5: Solve for x
    x = 12,158,971,804,034,740/98,010,626.60
  6. Step 6: Final answer
    x = 124,057,688.70

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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.