Home / 290,567,370.60-435,852,630.54-86,097,217.32

Finding the Fourth Proportional to 290,567,370.60, 435,852,630.54 and 86,097,217.32

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Solution

The fourth proportional to 290,567,370.60, 435,852,630.54 and 86,097,217.32 is: 129,146,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,567,370.60 : 435,852,630.54 = 86,097,217.32 : x
  2. Step 2: Convert to fraction form
    290,567,370.60/435,852,630.54 = 86,097,217.32/x
  3. Step 3: Cross multiply
    290,567,370.60x = 435,852,630.54 × 86,097,217.32
  4. Step 4: Simplify right side
    290,567,370.60x = 37,525,698,651,096,048
  5. Step 5: Solve for x
    x = 37,525,698,651,096,048/290,567,370.60
  6. Step 6: Final answer
    x = 129,146,292.56

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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.