Home / 72,218,245,837.35-108,233,133,640.40-40,345,631,349.32

Finding the Fourth Proportional to 72,218,245,837.35, 108,233,133,640.40 and 40,345,631,349.32

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Solution

The fourth proportional to 72,218,245,837.35, 108,233,133,640.40 and 40,345,631,349.32 is: 60,465,801,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,218,245,837.35 : 108,233,133,640.40 = 40,345,631,349.32 : x
  2. Step 2: Convert to fraction form
    72,218,245,837.35/108,233,133,640.40 = 40,345,631,349.32/x
  3. Step 3: Cross multiply
    72,218,245,837.35x = 108,233,133,640.40 × 40,345,631,349.32
  4. Step 4: Simplify right side
    72,218,245,837.35x = 4,366,734,109,637,262,966,784
  5. Step 5: Solve for x
    x = 4,366,734,109,637,262,966,784/72,218,245,837.35
  6. Step 6: Final answer
    x = 60,465,801,391.41

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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.