Home / 130,510,359.60-195,765,539.40-79,492,023.60

Finding the Fourth Proportional to 130,510,359.60, 195,765,539.40 and 79,492,023.60

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Solution

The fourth proportional to 130,510,359.60, 195,765,539.40 and 79,492,023.60 is: 119,238,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,510,359.60 : 195,765,539.40 = 79,492,023.60 : x
  2. Step 2: Convert to fraction form
    130,510,359.60/195,765,539.40 = 79,492,023.60/x
  3. Step 3: Cross multiply
    130,510,359.60x = 195,765,539.40 × 79,492,023.60
  4. Step 4: Simplify right side
    130,510,359.60x = 15,561,798,878,051,530
  5. Step 5: Solve for x
    x = 15,561,798,878,051,530/130,510,359.60
  6. Step 6: Final answer
    x = 119,238,035.40

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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.