Home / 169,488,020.40-254,232,030.60-128,673,351.60

Finding the Fourth Proportional to 169,488,020.40, 254,232,030.60 and 128,673,351.60

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Solution

The fourth proportional to 169,488,020.40, 254,232,030.60 and 128,673,351.60 is: 193,010,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,488,020.40 : 254,232,030.60 = 128,673,351.60 : x
  2. Step 2: Convert to fraction form
    169,488,020.40/254,232,030.60 = 128,673,351.60/x
  3. Step 3: Cross multiply
    169,488,020.40x = 254,232,030.60 × 128,673,351.60
  4. Step 4: Simplify right side
    169,488,020.40x = 32,712,887,461,375,756
  5. Step 5: Solve for x
    x = 32,712,887,461,375,756/169,488,020.40
  6. Step 6: Final answer
    x = 193,010,027.40

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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.