Home / 65,809,596.52-90,816,130.23-36,440,298.58

Finding the Fourth Proportional to 65,809,596.52, 90,816,130.23 and 36,440,298.58

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Solution

The fourth proportional to 65,809,596.52, 90,816,130.23 and 36,440,298.58 is: 50,286,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,809,596.52 : 90,816,130.23 = 36,440,298.58 : x
  2. Step 2: Convert to fraction form
    65,809,596.52/90,816,130.23 = 36,440,298.58/x
  3. Step 3: Cross multiply
    65,809,596.52x = 90,816,130.23 × 36,440,298.58
  4. Step 4: Simplify right side
    65,809,596.52x = 3,309,366,901,461,364
  5. Step 5: Solve for x
    x = 3,309,366,901,461,364/65,809,596.52
  6. Step 6: Final answer
    x = 50,286,995.76

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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.