Home / 213,454,738,692.18-320,170,831,400.78-70,014,872,520.18

Finding the Fourth Proportional to 213,454,738,692.18, 320,170,831,400.78 and 70,014,872,520.18

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Solution

The fourth proportional to 213,454,738,692.18, 320,170,831,400.78 and 70,014,872,520.18 is: 105,018,609,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,454,738,692.18 : 320,170,831,400.78 = 70,014,872,520.18 : x
  2. Step 2: Convert to fraction form
    213,454,738,692.18/320,170,831,400.78 = 70,014,872,520.18/x
  3. Step 3: Cross multiply
    213,454,738,692.18x = 320,170,831,400.78 × 70,014,872,520.18
  4. Step 4: Simplify right side
    213,454,738,692.18x = 22,416,719,945,205,653,962,752
  5. Step 5: Solve for x
    x = 22,416,719,945,205,653,962,752/213,454,738,692.18
  6. Step 6: Final answer
    x = 105,018,609,952.40

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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.