Home / 70,124,865-96,770,457.36-39,185,288.52

Finding the Fourth Proportional to 70,124,865, 96,770,457.36 and 39,185,288.52

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Solution

The fourth proportional to 70,124,865, 96,770,457.36 and 39,185,288.52 is: 54,074,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,124,865 : 96,770,457.36 = 39,185,288.52 : x
  2. Step 2: Convert to fraction form
    70,124,865/96,770,457.36 = 39,185,288.52/x
  3. Step 3: Cross multiply
    70,124,865x = 96,770,457.36 × 39,185,288.52
  4. Step 4: Simplify right side
    70,124,865x = 3,791,978,291,863,958
  5. Step 5: Solve for x
    x = 3,791,978,291,863,958/70,124,865
  6. Step 6: Final answer
    x = 54,074,660.85

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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.