Home / 39,745,141,121.80-59,567,071,260.30-21,121,558,913.80

Finding the Fourth Proportional to 39,745,141,121.80, 59,567,071,260.30 and 21,121,558,913.80

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Solution

The fourth proportional to 39,745,141,121.80, 59,567,071,260.30 and 21,121,558,913.80 is: 31,655,426,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745,141,121.80 : 59,567,071,260.30 = 21,121,558,913.80 : x
  2. Step 2: Convert to fraction form
    39,745,141,121.80/59,567,071,260.30 = 21,121,558,913.80/x
  3. Step 3: Cross multiply
    39,745,141,121.80x = 59,567,071,260.30 × 21,121,558,913.80
  4. Step 4: Simplify right side
    39,745,141,121.80x = 1,258,149,404,946,949,210,112
  5. Step 5: Solve for x
    x = 1,258,149,404,946,949,210,112/39,745,141,121.80
  6. Step 6: Final answer
    x = 31,655,426,787.68

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1.5x scale

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.