Home / 30,337,953.60-45,506,930.40-20,134,286.40

Finding the Fourth Proportional to 30,337,953.60, 45,506,930.40 and 20,134,286.40

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Solution

The fourth proportional to 30,337,953.60, 45,506,930.40 and 20,134,286.40 is: 30,201,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337,953.60 : 45,506,930.40 = 20,134,286.40 : x
  2. Step 2: Convert to fraction form
    30,337,953.60/45,506,930.40 = 20,134,286.40/x
  3. Step 3: Cross multiply
    30,337,953.60x = 45,506,930.40 × 20,134,286.40
  4. Step 4: Simplify right side
    30,337,953.60x = 916,249,569,858,466.50
  5. Step 5: Solve for x
    x = 916,249,569,858,466.50/30,337,953.60
  6. Step 6: Final answer
    x = 30,201,429.60

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1.5x scale

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.