Home / 201,431,280.15-302,146,903.80-55,864,839.66

Finding the Fourth Proportional to 201,431,280.15, 302,146,903.80 and 55,864,839.66

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Solution

The fourth proportional to 201,431,280.15, 302,146,903.80 and 55,864,839.66 is: 83,797,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,431,280.15 : 302,146,903.80 = 55,864,839.66 : x
  2. Step 2: Convert to fraction form
    201,431,280.15/302,146,903.80 = 55,864,839.66/x
  3. Step 3: Cross multiply
    201,431,280.15x = 302,146,903.80 × 55,864,839.66
  4. Step 4: Simplify right side
    201,431,280.15x = 16,879,388,334,552,444
  5. Step 5: Solve for x
    x = 16,879,388,334,552,444/201,431,280.15
  6. Step 6: Final answer
    x = 83,797,254.93

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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.