Home / 121,953,883.86-168,299,729.40-69,026,384.34

Finding the Fourth Proportional to 121,953,883.86, 168,299,729.40 and 69,026,384.34

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Solution

The fourth proportional to 121,953,883.86, 168,299,729.40 and 69,026,384.34 is: 95,258,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,953,883.86 : 168,299,729.40 = 69,026,384.34 : x
  2. Step 2: Convert to fraction form
    121,953,883.86/168,299,729.40 = 69,026,384.34/x
  3. Step 3: Cross multiply
    121,953,883.86x = 168,299,729.40 × 69,026,384.34
  4. Step 4: Simplify right side
    121,953,883.86x = 11,617,121,805,882,398
  5. Step 5: Solve for x
    x = 11,617,121,805,882,398/121,953,883.86
  6. Step 6: Final answer
    x = 95,258,317.64

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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.