Home / 307,202,269.54-423,980,605.55-173,267,678.35

Finding the Fourth Proportional to 307,202,269.54, 423,980,605.55 and 173,267,678.35

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Solution

The fourth proportional to 307,202,269.54, 423,980,605.55 and 173,267,678.35 is: 239,132,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,202,269.54 : 423,980,605.55 = 173,267,678.35 : x
  2. Step 2: Convert to fraction form
    307,202,269.54/423,980,605.55 = 173,267,678.35/x
  3. Step 3: Cross multiply
    307,202,269.54x = 423,980,605.55 × 173,267,678.35
  4. Step 4: Simplify right side
    307,202,269.54x = 73,462,135,189,075,632
  5. Step 5: Solve for x
    x = 73,462,135,189,075,632/307,202,269.54
  6. Step 6: Final answer
    x = 239,132,787.98

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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.