Home / 100,980,431.40-151,470,647.10-88,509,282.60

Finding the Fourth Proportional to 100,980,431.40, 151,470,647.10 and 88,509,282.60

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Solution

The fourth proportional to 100,980,431.40, 151,470,647.10 and 88,509,282.60 is: 132,763,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,980,431.40 : 151,470,647.10 = 88,509,282.60 : x
  2. Step 2: Convert to fraction form
    100,980,431.40/151,470,647.10 = 88,509,282.60/x
  3. Step 3: Cross multiply
    100,980,431.40x = 151,470,647.10 × 88,509,282.60
  4. Step 4: Simplify right side
    100,980,431.40x = 13,406,558,309,778,770
  5. Step 5: Solve for x
    x = 13,406,558,309,778,770/100,980,431.40
  6. Step 6: Final answer
    x = 132,763,923.90

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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.