Home / 130,914,965.28-196,373,432.10-58,112,173.80

Finding the Fourth Proportional to 130,914,965.28, 196,373,432.10 and 58,112,173.80

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Solution

The fourth proportional to 130,914,965.28, 196,373,432.10 and 58,112,173.80 is: 87,168,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,914,965.28 : 196,373,432.10 = 58,112,173.80 : x
  2. Step 2: Convert to fraction form
    130,914,965.28/196,373,432.10 = 58,112,173.80/x
  3. Step 3: Cross multiply
    130,914,965.28x = 196,373,432.10 × 58,112,173.80
  4. Step 4: Simplify right side
    130,914,965.28x = 11,411,687,015,897,698
  5. Step 5: Solve for x
    x = 11,411,687,015,897,698/130,914,965.28
  6. Step 6: Final answer
    x = 87,168,697.57

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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.