Home / 52,586,909.10-78,880,363.65-51,831,081.90

Finding the Fourth Proportional to 52,586,909.10, 78,880,363.65 and 51,831,081.90

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Solution

The fourth proportional to 52,586,909.10, 78,880,363.65 and 51,831,081.90 is: 77,746,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,586,909.10 : 78,880,363.65 = 51,831,081.90 : x
  2. Step 2: Convert to fraction form
    52,586,909.10/78,880,363.65 = 51,831,081.90/x
  3. Step 3: Cross multiply
    52,586,909.10x = 78,880,363.65 × 51,831,081.90
  4. Step 4: Simplify right side
    52,586,909.10x = 4,088,454,588,644,933
  5. Step 5: Solve for x
    x = 4,088,454,588,644,933/52,586,909.10
  6. Step 6: Final answer
    x = 77,746,622.85

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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.