Home / 65,731,383-90,711,979.41-36,362,209.21

Finding the Fourth Proportional to 65,731,383, 90,711,979.41 and 36,362,209.21

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Solution

The fourth proportional to 65,731,383, 90,711,979.41 and 36,362,209.21 is: 50,181,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,731,383 : 90,711,979.41 = 36,362,209.21 : x
  2. Step 2: Convert to fraction form
    65,731,383/90,711,979.41 = 36,362,209.21/x
  3. Step 3: Cross multiply
    65,731,383x = 90,711,979.41 × 36,362,209.21
  4. Step 4: Simplify right side
    65,731,383x = 3,298,487,973,069,210.50
  5. Step 5: Solve for x
    x = 3,298,487,973,069,210.50/65,731,383
  6. Step 6: Final answer
    x = 50,181,326.22

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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.