Home / 53,923,913.40-80,885,870.10-51,160,420.20

Finding the Fourth Proportional to 53,923,913.40, 80,885,870.10 and 51,160,420.20

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Solution

The fourth proportional to 53,923,913.40, 80,885,870.10 and 51,160,420.20 is: 76,740,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,923,913.40 : 80,885,870.10 = 51,160,420.20 : x
  2. Step 2: Convert to fraction form
    53,923,913.40/80,885,870.10 = 51,160,420.20/x
  3. Step 3: Cross multiply
    53,923,913.40x = 80,885,870.10 × 51,160,420.20
  4. Step 4: Simplify right side
    53,923,913.40x = 4,138,155,102,558,616
  5. Step 5: Solve for x
    x = 4,138,155,102,558,616/53,923,913.40
  6. Step 6: Final answer
    x = 76,740,630.30

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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.