Home / 70,457,863.60-105,686,795.40-43,584,007.60

Finding the Fourth Proportional to 70,457,863.60, 105,686,795.40 and 43,584,007.60

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Solution

The fourth proportional to 70,457,863.60, 105,686,795.40 and 43,584,007.60 is: 65,376,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,457,863.60 : 105,686,795.40 = 43,584,007.60 : x
  2. Step 2: Convert to fraction form
    70,457,863.60/105,686,795.40 = 43,584,007.60/x
  3. Step 3: Cross multiply
    70,457,863.60x = 105,686,795.40 × 43,584,007.60
  4. Step 4: Simplify right side
    70,457,863.60x = 4,606,254,093,933,245
  5. Step 5: Solve for x
    x = 4,606,254,093,933,245/70,457,863.60
  6. Step 6: Final answer
    x = 65,376,011.40

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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.