Home / 72,769,572.90-109,154,359.35-36,383,579.10

Finding the Fourth Proportional to 72,769,572.90, 109,154,359.35 and 36,383,579.10

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Solution

The fourth proportional to 72,769,572.90, 109,154,359.35 and 36,383,579.10 is: 54,575,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,769,572.90 : 109,154,359.35 = 36,383,579.10 : x
  2. Step 2: Convert to fraction form
    72,769,572.90/109,154,359.35 = 36,383,579.10/x
  3. Step 3: Cross multiply
    72,769,572.90x = 109,154,359.35 × 36,383,579.10
  4. Step 4: Simplify right side
    72,769,572.90x = 3,971,426,267,520,549.50
  5. Step 5: Solve for x
    x = 3,971,426,267,520,549.50/72,769,572.90
  6. Step 6: Final answer
    x = 54,575,368.65

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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.