Home / 52,586,899.60-78,880,349.40-51,831,072.40

Finding the Fourth Proportional to 52,586,899.60, 78,880,349.40 and 51,831,072.40

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Solution

The fourth proportional to 52,586,899.60, 78,880,349.40 and 51,831,072.40 is: 77,746,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,586,899.60 : 78,880,349.40 = 51,831,072.40 : x
  2. Step 2: Convert to fraction form
    52,586,899.60/78,880,349.40 = 51,831,072.40/x
  3. Step 3: Cross multiply
    52,586,899.60x = 78,880,349.40 × 51,831,072.40
  4. Step 4: Simplify right side
    52,586,899.60x = 4,088,453,100,688,697
  5. Step 5: Solve for x
    x = 4,088,453,100,688,697/52,586,899.60
  6. Step 6: Final answer
    x = 77,746,608.60

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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.