Home / 65,702,995.49-90,642,747.67-37,819,033.45

Finding the Fourth Proportional to 65,702,995.49, 90,642,747.67 and 37,819,033.45

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Solution

The fourth proportional to 65,702,995.49, 90,642,747.67 and 37,819,033.45 is: 52,174,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,702,995.49 : 90,642,747.67 = 37,819,033.45 : x
  2. Step 2: Convert to fraction form
    65,702,995.49/90,642,747.67 = 37,819,033.45/x
  3. Step 3: Cross multiply
    65,702,995.49x = 90,642,747.67 × 37,819,033.45
  4. Step 4: Simplify right side
    65,702,995.49x = 3,428,021,105,810,485
  5. Step 5: Solve for x
    x = 3,428,021,105,810,485/65,702,995.49
  6. Step 6: Final answer
    x = 52,174,502.55

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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.