Home / 173,308,421.70-239,191,291.20-109,734,669.92

Finding the Fourth Proportional to 173,308,421.70, 239,191,291.20 and 109,734,669.92

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Solution

The fourth proportional to 173,308,421.70, 239,191,291.20 and 109,734,669.92 is: 151,450,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,308,421.70 : 239,191,291.20 = 109,734,669.92 : x
  2. Step 2: Convert to fraction form
    173,308,421.70/239,191,291.20 = 109,734,669.92/x
  3. Step 3: Cross multiply
    173,308,421.70x = 239,191,291.20 × 109,734,669.92
  4. Step 4: Simplify right side
    173,308,421.70x = 26,247,577,386,374,644
  5. Step 5: Solve for x
    x = 26,247,577,386,374,644/173,308,421.70
  6. Step 6: Final answer
    x = 151,450,097.63

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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.