Home / 314,928,269.90-472,392,404.85-84,920,605.10

Finding the Fourth Proportional to 314,928,269.90, 472,392,404.85 and 84,920,605.10

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Solution

The fourth proportional to 314,928,269.90, 472,392,404.85 and 84,920,605.10 is: 127,380,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,269.90 : 472,392,404.85 = 84,920,605.10 : x
  2. Step 2: Convert to fraction form
    314,928,269.90/472,392,404.85 = 84,920,605.10/x
  3. Step 3: Cross multiply
    314,928,269.90x = 472,392,404.85 × 84,920,605.10
  4. Step 4: Simplify right side
    314,928,269.90x = 40,115,848,864,506,176
  5. Step 5: Solve for x
    x = 40,115,848,864,506,176/314,928,269.90
  6. Step 6: Final answer
    x = 127,380,907.65

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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.