Home / 321,249,960.77-481,886,361.84-102,871,927.26

Finding the Fourth Proportional to 321,249,960.77, 481,886,361.84 and 102,871,927.26

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Solution

The fourth proportional to 321,249,960.77, 481,886,361.84 and 102,871,927.26 is: 154,311,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,249,960.77 : 481,886,361.84 = 102,871,927.26 : x
  2. Step 2: Convert to fraction form
    321,249,960.77/481,886,361.84 = 102,871,927.26/x
  3. Step 3: Cross multiply
    321,249,960.77x = 481,886,361.84 × 102,871,927.26
  4. Step 4: Simplify right side
    321,249,960.77x = 49,572,578,763,176,296
  5. Step 5: Solve for x
    x = 49,572,578,763,176,296/321,249,960.77
  6. Step 6: Final answer
    x = 154,311,548.07

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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.