Home / 43,333,939.20-65,017,497.60-42,653,798.40

Finding the Fourth Proportional to 43,333,939.20, 65,017,497.60 and 42,653,798.40

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Solution

The fourth proportional to 43,333,939.20, 65,017,497.60 and 42,653,798.40 is: 63,997,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,333,939.20 : 65,017,497.60 = 42,653,798.40 : x
  2. Step 2: Convert to fraction form
    43,333,939.20/65,017,497.60 = 42,653,798.40/x
  3. Step 3: Cross multiply
    43,333,939.20x = 65,017,497.60 × 42,653,798.40
  4. Step 4: Simplify right side
    43,333,939.20x = 2,773,243,235,102,884
  5. Step 5: Solve for x
    x = 2,773,243,235,102,884/43,333,939.20
  6. Step 6: Final answer
    x = 63,997,026.03

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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.