Home / 70,422,037.05-105,631,794.63-28,913,900.16

Finding the Fourth Proportional to 70,422,037.05, 105,631,794.63 and 28,913,900.16

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Solution

The fourth proportional to 70,422,037.05, 105,631,794.63 and 28,913,900.16 is: 43,370,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,422,037.05 : 105,631,794.63 = 28,913,900.16 : x
  2. Step 2: Convert to fraction form
    70,422,037.05/105,631,794.63 = 28,913,900.16/x
  3. Step 3: Cross multiply
    70,422,037.05x = 105,631,794.63 × 28,913,900.16
  4. Step 4: Simplify right side
    70,422,037.05x = 3,054,227,163,653,444
  5. Step 5: Solve for x
    x = 3,054,227,163,653,444/70,422,037.05
  6. Step 6: Final answer
    x = 43,370,332.52

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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.