Home / 56,763,615.40-85,145,423.10-38,847,711.40

Finding the Fourth Proportional to 56,763,615.40, 85,145,423.10 and 38,847,711.40

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Solution

The fourth proportional to 56,763,615.40, 85,145,423.10 and 38,847,711.40 is: 58,271,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,763,615.40 : 85,145,423.10 = 38,847,711.40 : x
  2. Step 2: Convert to fraction form
    56,763,615.40/85,145,423.10 = 38,847,711.40/x
  3. Step 3: Cross multiply
    56,763,615.40x = 85,145,423.10 × 38,847,711.40
  4. Step 4: Simplify right side
    56,763,615.40x = 3,307,704,823,619,693
  5. Step 5: Solve for x
    x = 3,307,704,823,619,693/56,763,615.40
  6. Step 6: Final answer
    x = 58,271,567.10

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Double scale
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Similar ratio
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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.