Home / 130,526,223.60-195,789,335.40-39,638,002.80

Finding the Fourth Proportional to 130,526,223.60, 195,789,335.40 and 39,638,002.80

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Solution

The fourth proportional to 130,526,223.60, 195,789,335.40 and 39,638,002.80 is: 59,457,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,526,223.60 : 195,789,335.40 = 39,638,002.80 : x
  2. Step 2: Convert to fraction form
    130,526,223.60/195,789,335.40 = 39,638,002.80/x
  3. Step 3: Cross multiply
    130,526,223.60x = 195,789,335.40 × 39,638,002.80
  4. Step 4: Simplify right side
    130,526,223.60x = 7,760,698,224,795,339
  5. Step 5: Solve for x
    x = 7,760,698,224,795,339/130,526,223.60
  6. Step 6: Final answer
    x = 59,457,004.20

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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.