Home / 173,812,099.40-260,749,641.90-87,332,870.60

Finding the Fourth Proportional to 173,812,099.40, 260,749,641.90 and 87,332,870.60

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Solution

The fourth proportional to 173,812,099.40, 260,749,641.90 and 87,332,870.60 is: 131,015,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,812,099.40 : 260,749,641.90 = 87,332,870.60 : x
  2. Step 2: Convert to fraction form
    173,812,099.40/260,749,641.90 = 87,332,870.60/x
  3. Step 3: Cross multiply
    173,812,099.40x = 260,749,641.90 × 87,332,870.60
  4. Step 4: Simplify right side
    173,812,099.40x = 22,772,014,735,049,036
  5. Step 5: Solve for x
    x = 22,772,014,735,049,036/173,812,099.40
  6. Step 6: Final answer
    x = 131,015,129.64

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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.