Home / 65,731,384-90,711,980.79-36,362,210.21

Finding the Fourth Proportional to 65,731,384, 90,711,980.79 and 36,362,210.21

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Solution

The fourth proportional to 65,731,384, 90,711,980.79 and 36,362,210.21 is: 50,181,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,731,384 : 90,711,980.79 = 36,362,210.21 : x
  2. Step 2: Convert to fraction form
    65,731,384/90,711,980.79 = 36,362,210.21/x
  3. Step 3: Cross multiply
    65,731,384x = 90,711,980.79 × 36,362,210.21
  4. Step 4: Simplify right side
    65,731,384x = 3,298,488,114,051,462
  5. Step 5: Solve for x
    x = 3,298,488,114,051,462/65,731,384
  6. Step 6: Final answer
    x = 50,181,327.60

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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.