Home / 124,765,579.80-172,164,945.56-69,009,800.19

Finding the Fourth Proportional to 124,765,579.80, 172,164,945.56 and 69,009,800.19

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Solution

The fourth proportional to 124,765,579.80, 172,164,945.56 and 69,009,800.19 is: 95,227,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,765,579.80 : 172,164,945.56 = 69,009,800.19 : x
  2. Step 2: Convert to fraction form
    124,765,579.80/172,164,945.56 = 69,009,800.19/x
  3. Step 3: Cross multiply
    124,765,579.80x = 172,164,945.56 × 69,009,800.19
  4. Step 4: Simplify right side
    124,765,579.80x = 11,881,068,492,472,778
  5. Step 5: Solve for x
    x = 11,881,068,492,472,778/124,765,579.80
  6. Step 6: Final answer
    x = 95,227,133.25

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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.