Home / 320,516,190.43-442,326,166.55-177,461,952.31

Finding the Fourth Proportional to 320,516,190.43, 442,326,166.55 and 177,461,952.31

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Solution

The fourth proportional to 320,516,190.43, 442,326,166.55 and 177,461,952.31 is: 244,905,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,516,190.43 : 442,326,166.55 = 177,461,952.31 : x
  2. Step 2: Convert to fraction form
    320,516,190.43/442,326,166.55 = 177,461,952.31/x
  3. Step 3: Cross multiply
    320,516,190.43x = 442,326,166.55 × 177,461,952.31
  4. Step 4: Simplify right side
    320,516,190.43x = 78,496,065,071,602,000
  5. Step 5: Solve for x
    x = 78,496,065,071,602,000/320,516,190.43
  6. Step 6: Final answer
    x = 244,905,148.06

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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.