Home / 215,867,865.16-323,824,477.74-70,312,770.28

Finding the Fourth Proportional to 215,867,865.16, 323,824,477.74 and 70,312,770.28

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Solution

The fourth proportional to 215,867,865.16, 323,824,477.74 and 70,312,770.28 is: 105,476,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,867,865.16 : 323,824,477.74 = 70,312,770.28 : x
  2. Step 2: Convert to fraction form
    215,867,865.16/323,824,477.74 = 70,312,770.28/x
  3. Step 3: Cross multiply
    215,867,865.16x = 323,824,477.74 × 70,312,770.28
  4. Step 4: Simplify right side
    215,867,865.16x = 22,768,996,114,373,596
  5. Step 5: Solve for x
    x = 22,768,996,114,373,596/215,867,865.16
  6. Step 6: Final answer
    x = 105,476,542.78

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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.