Home / 130,397,257.31-195,624,112.83-39,527,698.91

Finding the Fourth Proportional to 130,397,257.31, 195,624,112.83 and 39,527,698.91

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Solution

The fourth proportional to 130,397,257.31, 195,624,112.83 and 39,527,698.91 is: 59,300,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,397,257.31 : 195,624,112.83 = 39,527,698.91 : x
  2. Step 2: Convert to fraction form
    130,397,257.31/195,624,112.83 = 39,527,698.91/x
  3. Step 3: Cross multiply
    130,397,257.31x = 195,624,112.83 × 39,527,698.91
  4. Step 4: Simplify right side
    130,397,257.31x = 7,732,571,030,501,988
  5. Step 5: Solve for x
    x = 7,732,571,030,501,988/130,397,257.31
  6. Step 6: Final answer
    x = 59,300,104.85

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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.