Home / 53,939,688.90-80,909,533.35-53,043,893.70

Finding the Fourth Proportional to 53,939,688.90, 80,909,533.35 and 53,043,893.70

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Solution

The fourth proportional to 53,939,688.90, 80,909,533.35 and 53,043,893.70 is: 79,565,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,939,688.90 : 80,909,533.35 = 53,043,893.70 : x
  2. Step 2: Convert to fraction form
    53,939,688.90/80,909,533.35 = 53,043,893.70/x
  3. Step 3: Cross multiply
    53,939,688.90x = 80,909,533.35 × 53,043,893.70
  4. Step 4: Simplify right side
    53,939,688.90x = 4,291,756,686,334,005
  5. Step 5: Solve for x
    x = 4,291,756,686,334,005/53,939,688.90
  6. Step 6: Final answer
    x = 79,565,840.55

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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.