Home / 118,344,581.04-163,319,007.60-66,133,739.28

Finding the Fourth Proportional to 118,344,581.04, 163,319,007.60 and 66,133,739.28

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Solution

The fourth proportional to 118,344,581.04, 163,319,007.60 and 66,133,739.28 is: 91,266,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,344,581.04 : 163,319,007.60 = 66,133,739.28 : x
  2. Step 2: Convert to fraction form
    118,344,581.04/163,319,007.60 = 66,133,739.28/x
  3. Step 3: Cross multiply
    118,344,581.04x = 163,319,007.60 × 66,133,739.28
  4. Step 4: Simplify right side
    118,344,581.04x = 10,800,896,668,086,738
  5. Step 5: Solve for x
    x = 10,800,896,668,086,738/118,344,581.04
  6. Step 6: Final answer
    x = 91,266,508.13

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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.