Home / 66,174,055.38-91,313,798.95-38,291,203.69

Finding the Fourth Proportional to 66,174,055.38, 91,313,798.95 and 38,291,203.69

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Solution

The fourth proportional to 66,174,055.38, 91,313,798.95 and 38,291,203.69 is: 52,838,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,174,055.38 : 91,313,798.95 = 38,291,203.69 : x
  2. Step 2: Convert to fraction form
    66,174,055.38/91,313,798.95 = 38,291,203.69/x
  3. Step 3: Cross multiply
    66,174,055.38x = 91,313,798.95 × 38,291,203.69
  4. Step 4: Simplify right side
    66,174,055.38x = 3,496,515,275,563,485
  5. Step 5: Solve for x
    x = 3,496,515,275,563,485/66,174,055.38
  6. Step 6: Final answer
    x = 52,838,159.24

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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.