Home / 185,510,921.60-278,182,401.60-70,457,225.60

Finding the Fourth Proportional to 185,510,921.60, 278,182,401.60 and 70,457,225.60

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Solution

The fourth proportional to 185,510,921.60, 278,182,401.60 and 70,457,225.60 is: 105,653,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,510,921.60 : 278,182,401.60 = 70,457,225.60 : x
  2. Step 2: Convert to fraction form
    185,510,921.60/278,182,401.60 = 70,457,225.60/x
  3. Step 3: Cross multiply
    185,510,921.60x = 278,182,401.60 × 70,457,225.60
  4. Step 4: Simplify right side
    185,510,921.60x = 19,599,960,227,481,000
  5. Step 5: Solve for x
    x = 19,599,960,227,481,000/185,510,921.60
  6. Step 6: Final answer
    x = 105,653,942.41

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1.5x scale

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.