Home / 70,317,856.60-105,508,277.70-31,959,626.20

Finding the Fourth Proportional to 70,317,856.60, 105,508,277.70 and 31,959,626.20

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Solution

The fourth proportional to 70,317,856.60, 105,508,277.70 and 31,959,626.20 is: 47,953,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,317,856.60 : 105,508,277.70 = 31,959,626.20 : x
  2. Step 2: Convert to fraction form
    70,317,856.60/105,508,277.70 = 31,959,626.20/x
  3. Step 3: Cross multiply
    70,317,856.60x = 105,508,277.70 × 31,959,626.20
  4. Step 4: Simplify right side
    70,317,856.60x = 3,372,005,116,297,796
  5. Step 5: Solve for x
    x = 3,372,005,116,297,796/70,317,856.60
  6. Step 6: Final answer
    x = 47,953,752.85

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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.