Home / 124,765,598.84-172,164,971.77-69,009,819.28

Finding the Fourth Proportional to 124,765,598.84, 172,164,971.77 and 69,009,819.28

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Solution

The fourth proportional to 124,765,598.84, 172,164,971.77 and 69,009,819.28 is: 95,227,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,765,598.84 : 172,164,971.77 = 69,009,819.28 : x
  2. Step 2: Convert to fraction form
    124,765,598.84/172,164,971.77 = 69,009,819.28/x
  3. Step 3: Cross multiply
    124,765,598.84x = 172,164,971.77 × 69,009,819.28
  4. Step 4: Simplify right side
    124,765,598.84x = 11,881,073,587,591,066
  5. Step 5: Solve for x
    x = 11,881,073,587,591,066/124,765,598.84
  6. Step 6: Final answer
    x = 95,227,159.56

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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.