Home / 39,864,809.40-59,759,889.30-31,224,118.20

Finding the Fourth Proportional to 39,864,809.40, 59,759,889.30 and 31,224,118.20

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Solution

The fourth proportional to 39,864,809.40, 59,759,889.30 and 31,224,118.20 is: 46,806,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864,809.40 : 59,759,889.30 = 31,224,118.20 : x
  2. Step 2: Convert to fraction form
    39,864,809.40/59,759,889.30 = 31,224,118.20/x
  3. Step 3: Cross multiply
    39,864,809.40x = 59,759,889.30 × 31,224,118.20
  4. Step 4: Simplify right side
    39,864,809.40x = 1,865,949,847,122,115
  5. Step 5: Solve for x
    x = 1,865,949,847,122,115/39,864,809.40
  6. Step 6: Final answer
    x = 46,806,942.64

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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.