Home / 216,674,844.36-325,036,927.94-78,565,498.98

Finding the Fourth Proportional to 216,674,844.36, 325,036,927.94 and 78,565,498.98

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Solution

The fourth proportional to 216,674,844.36, 325,036,927.94 and 78,565,498.98 is: 117,857,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,674,844.36 : 325,036,927.94 = 78,565,498.98 : x
  2. Step 2: Convert to fraction form
    216,674,844.36/325,036,927.94 = 78,565,498.98/x
  3. Step 3: Cross multiply
    216,674,844.36x = 325,036,927.94 × 78,565,498.98
  4. Step 4: Simplify right side
    216,674,844.36x = 25,536,688,430,139,576
  5. Step 5: Solve for x
    x = 25,536,688,430,139,576/216,674,844.36
  6. Step 6: Final answer
    x = 117,857,190.60

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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.