Home / 124,969,825.71-172,445,230.40-69,213,785.49

Finding the Fourth Proportional to 124,969,825.71, 172,445,230.40 and 69,213,785.49

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Solution

The fourth proportional to 124,969,825.71, 172,445,230.40 and 69,213,785.49 is: 95,507,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,969,825.71 : 172,445,230.40 = 69,213,785.49 : x
  2. Step 2: Convert to fraction form
    124,969,825.71/172,445,230.40 = 69,213,785.49/x
  3. Step 3: Cross multiply
    124,969,825.71x = 172,445,230.40 × 69,213,785.49
  4. Step 4: Simplify right side
    124,969,825.71x = 11,935,587,185,333,158
  5. Step 5: Solve for x
    x = 11,935,587,185,333,158/124,969,825.71
  6. Step 6: Final answer
    x = 95,507,752.51

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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.