Home / 321,831,134.60-482,746,701.90-79,494,038.60

Finding the Fourth Proportional to 321,831,134.60, 482,746,701.90 and 79,494,038.60

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Solution

The fourth proportional to 321,831,134.60, 482,746,701.90 and 79,494,038.60 is: 119,241,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,831,134.60 : 482,746,701.90 = 79,494,038.60 : x
  2. Step 2: Convert to fraction form
    321,831,134.60/482,746,701.90 = 79,494,038.60/x
  3. Step 3: Cross multiply
    321,831,134.60x = 482,746,701.90 × 79,494,038.60
  4. Step 4: Simplify right side
    321,831,134.60x = 38,375,484,954,861,288
  5. Step 5: Solve for x
    x = 38,375,484,954,861,288/321,831,134.60
  6. Step 6: Final answer
    x = 119,241,057.90

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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.