Home / 215,915,206.60-323,872,809.90-195,087,968.20

Finding the Fourth Proportional to 215,915,206.60, 323,872,809.90 and 195,087,968.20

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Solution

The fourth proportional to 215,915,206.60, 323,872,809.90 and 195,087,968.20 is: 292,631,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,915,206.60 : 323,872,809.90 = 195,087,968.20 : x
  2. Step 2: Convert to fraction form
    215,915,206.60/323,872,809.90 = 195,087,968.20/x
  3. Step 3: Cross multiply
    215,915,206.60x = 323,872,809.90 × 195,087,968.20
  4. Step 4: Simplify right side
    215,915,206.60x = 63,183,688,438,615,840
  5. Step 5: Solve for x
    x = 63,183,688,438,615,840/215,915,206.60
  6. Step 6: Final answer
    x = 292,631,952.30

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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.