Home / 49,874,315.40-74,858,712.30-30,742,439.40

Finding the Fourth Proportional to 49,874,315.40, 74,858,712.30 and 30,742,439.40

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Solution

The fourth proportional to 49,874,315.40, 74,858,712.30 and 30,742,439.40 is: 46,142,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,874,315.40 : 74,858,712.30 = 30,742,439.40 : x
  2. Step 2: Convert to fraction form
    49,874,315.40/74,858,712.30 = 30,742,439.40/x
  3. Step 3: Cross multiply
    49,874,315.40x = 74,858,712.30 × 30,742,439.40
  4. Step 4: Simplify right side
    49,874,315.40x = 2,301,339,426,444,784.50
  5. Step 5: Solve for x
    x = 2,301,339,426,444,784.50/49,874,315.40
  6. Step 6: Final answer
    x = 46,142,777.26

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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.