Home / 57,183,402.87-78,913,705.55-31,077,922.05

Finding the Fourth Proportional to 57,183,402.87, 78,913,705.55 and 31,077,922.05

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Solution

The fourth proportional to 57,183,402.87, 78,913,705.55 and 31,077,922.05 is: 42,887,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183,402.87 : 78,913,705.55 = 31,077,922.05 : x
  2. Step 2: Convert to fraction form
    57,183,402.87/78,913,705.55 = 31,077,922.05/x
  3. Step 3: Cross multiply
    57,183,402.87x = 78,913,705.55 × 31,077,922.05
  4. Step 4: Simplify right side
    57,183,402.87x = 2,452,473,989,604,163
  5. Step 5: Solve for x
    x = 2,452,473,989,604,163/57,183,402.87
  6. Step 6: Final answer
    x = 42,887,863.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.