Home / 124,019,212.80-186,028,819.20-97,115,865.60

Finding the Fourth Proportional to 124,019,212.80, 186,028,819.20 and 97,115,865.60

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Solution

The fourth proportional to 124,019,212.80, 186,028,819.20 and 97,115,865.60 is: 145,673,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,019,212.80 : 186,028,819.20 = 97,115,865.60 : x
  2. Step 2: Convert to fraction form
    124,019,212.80/186,028,819.20 = 97,115,865.60/x
  3. Step 3: Cross multiply
    124,019,212.80x = 186,028,819.20 × 97,115,865.60
  4. Step 4: Simplify right side
    124,019,212.80x = 18,066,349,803,153,896
  5. Step 5: Solve for x
    x = 18,066,349,803,153,896/124,019,212.80
  6. Step 6: Final answer
    x = 145,673,798.40

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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.