Home / 74,672,068.59-111,906,538.20-43,980,760.35

Finding the Fourth Proportional to 74,672,068.59, 111,906,538.20 and 43,980,760.35

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Solution

The fourth proportional to 74,672,068.59, 111,906,538.20 and 43,980,760.35 is: 65,911,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,672,068.59 : 111,906,538.20 = 43,980,760.35 : x
  2. Step 2: Convert to fraction form
    74,672,068.59/111,906,538.20 = 43,980,760.35/x
  3. Step 3: Cross multiply
    74,672,068.59x = 111,906,538.20 × 43,980,760.35
  4. Step 4: Simplify right side
    74,672,068.59x = 4,921,734,638,172,321
  5. Step 5: Solve for x
    x = 4,921,734,638,172,321/74,672,068.59
  6. Step 6: Final answer
    x = 65,911,320.41

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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.