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Finding the Fourth Proportional to 30,337,968.60, 45,506,952.90 and 20,134,301.40

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Solution

The fourth proportional to 30,337,968.60, 45,506,952.90 and 20,134,301.40 is: 30,201,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337,968.60 : 45,506,952.90 = 20,134,301.40 : x
  2. Step 2: Convert to fraction form
    30,337,968.60/45,506,952.90 = 20,134,301.40/x
  3. Step 3: Cross multiply
    30,337,968.60x = 45,506,952.90 × 20,134,301.40
  4. Step 4: Simplify right side
    30,337,968.60x = 916,250,705,484,204
  5. Step 5: Solve for x
    x = 916,250,705,484,204/30,337,968.60
  6. Step 6: Final answer
    x = 30,201,452.10

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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.