Home / 260,423,420.75-359,220,849.71-154,501,845.32

Finding the Fourth Proportional to 260,423,420.75, 359,220,849.71 and 154,501,845.32

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Solution

The fourth proportional to 260,423,420.75, 359,220,849.71 and 154,501,845.32 is: 213,115,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,423,420.75 : 359,220,849.71 = 154,501,845.32 : x
  2. Step 2: Convert to fraction form
    260,423,420.75/359,220,849.71 = 154,501,845.32/x
  3. Step 3: Cross multiply
    260,423,420.75x = 359,220,849.71 × 154,501,845.32
  4. Step 4: Simplify right side
    260,423,420.75x = 55,500,284,155,044,768
  5. Step 5: Solve for x
    x = 55,500,284,155,044,768/260,423,420.75
  6. Step 6: Final answer
    x = 213,115,563.86

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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.