Home / 130,369,606.60-195,554,409.90-85,019,974.60

Finding the Fourth Proportional to 130,369,606.60, 195,554,409.90 and 85,019,974.60

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Solution

The fourth proportional to 130,369,606.60, 195,554,409.90 and 85,019,974.60 is: 127,529,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,369,606.60 : 195,554,409.90 = 85,019,974.60 : x
  2. Step 2: Convert to fraction form
    130,369,606.60/195,554,409.90 = 85,019,974.60/x
  3. Step 3: Cross multiply
    130,369,606.60x = 195,554,409.90 × 85,019,974.60
  4. Step 4: Simplify right side
    130,369,606.60x = 16,626,030,962,615,988
  5. Step 5: Solve for x
    x = 16,626,030,962,615,988/130,369,606.60
  6. Step 6: Final answer
    x = 127,529,961.90

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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.