Home / 130,310,010.40-195,465,015.60-53,582,663.20

Finding the Fourth Proportional to 130,310,010.40, 195,465,015.60 and 53,582,663.20

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Solution

The fourth proportional to 130,310,010.40, 195,465,015.60 and 53,582,663.20 is: 80,373,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,310,010.40 : 195,465,015.60 = 53,582,663.20 : x
  2. Step 2: Convert to fraction form
    130,310,010.40/195,465,015.60 = 53,582,663.20/x
  3. Step 3: Cross multiply
    130,310,010.40x = 195,465,015.60 × 53,582,663.20
  4. Step 4: Simplify right side
    130,310,010.40x = 10,473,536,098,277,546
  5. Step 5: Solve for x
    x = 10,473,536,098,277,546/130,310,010.40
  6. Step 6: Final answer
    x = 80,373,994.80

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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.