Home / 126,434,752.40-189,793,846.20-97,807,797.20

Finding the Fourth Proportional to 126,434,752.40, 189,793,846.20 and 97,807,797.20

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Solution

The fourth proportional to 126,434,752.40, 189,793,846.20 and 97,807,797.20 is: 146,821,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,434,752.40 : 189,793,846.20 = 97,807,797.20 : x
  2. Step 2: Convert to fraction form
    126,434,752.40/189,793,846.20 = 97,807,797.20/x
  3. Step 3: Cross multiply
    126,434,752.40x = 189,793,846.20 × 97,807,797.20
  4. Step 4: Simplify right side
    126,434,752.40x = 18,563,318,018,937,592
  5. Step 5: Solve for x
    x = 18,563,318,018,937,592/126,434,752.40
  6. Step 6: Final answer
    x = 146,821,326.15

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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.