Home / 152,484,288.39-210,429,633.24-82,869,683.64

Finding the Fourth Proportional to 152,484,288.39, 210,429,633.24 and 82,869,683.64

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Solution

The fourth proportional to 152,484,288.39, 210,429,633.24 and 82,869,683.64 is: 114,360,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,484,288.39 : 210,429,633.24 = 82,869,683.64 : x
  2. Step 2: Convert to fraction form
    152,484,288.39/210,429,633.24 = 82,869,683.64/x
  3. Step 3: Cross multiply
    152,484,288.39x = 210,429,633.24 × 82,869,683.64
  4. Step 4: Simplify right side
    152,484,288.39x = 17,438,237,135,080,030
  5. Step 5: Solve for x
    x = 17,438,237,135,080,030/152,484,288.39
  6. Step 6: Final answer
    x = 114,360,878.22

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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.