Home / 130,759,938.72-180,448,706.88-75,787,681.92

Finding the Fourth Proportional to 130,759,938.72, 180,448,706.88 and 75,787,681.92

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Solution

The fourth proportional to 130,759,938.72, 180,448,706.88 and 75,787,681.92 is: 104,586,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,759,938.72 : 180,448,706.88 = 75,787,681.92 : x
  2. Step 2: Convert to fraction form
    130,759,938.72/180,448,706.88 = 75,787,681.92/x
  3. Step 3: Cross multiply
    130,759,938.72x = 180,448,706.88 × 75,787,681.92
  4. Step 4: Simplify right side
    130,759,938.72x = 13,675,789,199,896,756
  5. Step 5: Solve for x
    x = 13,675,789,199,896,756/130,759,938.72
  6. Step 6: Final answer
    x = 104,586,996.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.