Home / 153,547,778.69-230,321,668.03-51,311,816.31

Finding the Fourth Proportional to 153,547,778.69, 230,321,668.03 and 51,311,816.31

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Solution

The fourth proportional to 153,547,778.69, 230,321,668.03 and 51,311,816.31 is: 76,967,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,547,778.69 : 230,321,668.03 = 51,311,816.31 : x
  2. Step 2: Convert to fraction form
    153,547,778.69/230,321,668.03 = 51,311,816.31/x
  3. Step 3: Cross multiply
    153,547,778.69x = 230,321,668.03 × 51,311,816.31
  4. Step 4: Simplify right side
    153,547,778.69x = 11,818,223,122,168,160
  5. Step 5: Solve for x
    x = 11,818,223,122,168,160/153,547,778.69
  6. Step 6: Final answer
    x = 76,967,724.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.