Home / 130,032,568.28-195,019,004.30-77,525,096.69

Finding the Fourth Proportional to 130,032,568.28, 195,019,004.30 and 77,525,096.69

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Solution

The fourth proportional to 130,032,568.28, 195,019,004.30 and 77,525,096.69 is: 116,269,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,032,568.28 : 195,019,004.30 = 77,525,096.69 : x
  2. Step 2: Convert to fraction form
    130,032,568.28/195,019,004.30 = 77,525,096.69/x
  3. Step 3: Cross multiply
    130,032,568.28x = 195,019,004.30 × 77,525,096.69
  4. Step 4: Simplify right side
    130,032,568.28x = 15,118,867,163,382,304
  5. Step 5: Solve for x
    x = 15,118,867,163,382,304/130,032,568.28
  6. Step 6: Final answer
    x = 116,269,849.65

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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.