Home / 55,405,993.40-83,108,990.10-45,968,809.40

Finding the Fourth Proportional to 55,405,993.40, 83,108,990.10 and 45,968,809.40

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Solution

The fourth proportional to 55,405,993.40, 83,108,990.10 and 45,968,809.40 is: 68,953,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,405,993.40 : 83,108,990.10 = 45,968,809.40 : x
  2. Step 2: Convert to fraction form
    55,405,993.40/83,108,990.10 = 45,968,809.40/x
  3. Step 3: Cross multiply
    55,405,993.40x = 83,108,990.10 × 45,968,809.40
  4. Step 4: Simplify right side
    55,405,993.40x = 3,820,421,325,333,386.50
  5. Step 5: Solve for x
    x = 3,820,421,325,333,386.50/55,405,993.40
  6. Step 6: Final answer
    x = 68,953,214.10

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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.