Home / 130,398,846.80-195,598,270.20-97,874,657.60

Finding the Fourth Proportional to 130,398,846.80, 195,598,270.20 and 97,874,657.60

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Solution

The fourth proportional to 130,398,846.80, 195,598,270.20 and 97,874,657.60 is: 146,811,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,398,846.80 : 195,598,270.20 = 97,874,657.60 : x
  2. Step 2: Convert to fraction form
    130,398,846.80/195,598,270.20 = 97,874,657.60/x
  3. Step 3: Cross multiply
    130,398,846.80x = 195,598,270.20 × 97,874,657.60
  4. Step 4: Simplify right side
    130,398,846.80x = 19,144,113,722,977,280
  5. Step 5: Solve for x
    x = 19,144,113,722,977,280/130,398,846.80
  6. Step 6: Final answer
    x = 146,811,986.40

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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.