Home / 209,952,402.70-314,928,604.06-144,195,436.30

Finding the Fourth Proportional to 209,952,402.70, 314,928,604.06 and 144,195,436.30

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Solution

The fourth proportional to 209,952,402.70, 314,928,604.06 and 144,195,436.30 is: 216,293,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,402.70 : 314,928,604.06 = 144,195,436.30 : x
  2. Step 2: Convert to fraction form
    209,952,402.70/314,928,604.06 = 144,195,436.30/x
  3. Step 3: Cross multiply
    209,952,402.70x = 314,928,604.06 × 144,195,436.30
  4. Step 4: Simplify right side
    209,952,402.70x = 45,411,267,465,781,656
  5. Step 5: Solve for x
    x = 45,411,267,465,781,656/209,952,402.70
  6. Step 6: Final answer
    x = 216,293,154.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.