Home / 122,615,567.91-169,208,251.56-66,860,851.48

Finding the Fourth Proportional to 122,615,567.91, 169,208,251.56 and 66,860,851.48

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Solution

The fourth proportional to 122,615,567.91, 169,208,251.56 and 66,860,851.48 is: 92,267,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,615,567.91 : 169,208,251.56 = 66,860,851.48 : x
  2. Step 2: Convert to fraction form
    122,615,567.91/169,208,251.56 = 66,860,851.48/x
  3. Step 3: Cross multiply
    122,615,567.91x = 169,208,251.56 × 66,860,851.48
  4. Step 4: Simplify right side
    122,615,567.91x = 11,313,407,776,320,618
  5. Step 5: Solve for x
    x = 11,313,407,776,320,618/122,615,567.91
  6. Step 6: Final answer
    x = 92,267,303.16

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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.