Home / 130,734,101.20-196,080,156.60-39,836,549.20

Finding the Fourth Proportional to 130,734,101.20, 196,080,156.60 and 39,836,549.20

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Solution

The fourth proportional to 130,734,101.20, 196,080,156.60 and 39,836,549.20 is: 59,748,426.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,734,101.20 : 196,080,156.60 = 39,836,549.20 : x
  2. Step 2: Convert to fraction form
    130,734,101.20/196,080,156.60 = 39,836,549.20/x
  3. Step 3: Cross multiply
    130,734,101.20x = 196,080,156.60 × 39,836,549.20
  4. Step 4: Simplify right side
    130,734,101.20x = 7,811,156,805,539,605
  5. Step 5: Solve for x
    x = 7,811,156,805,539,605/130,734,101.20
  6. Step 6: Final answer
    x = 59,748,426.26

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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.