Home / 113,877,063.96-157,161,589.02-64,991,805.72

Finding the Fourth Proportional to 113,877,063.96, 157,161,589.02 and 64,991,805.72

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Solution

The fourth proportional to 113,877,063.96, 157,161,589.02 and 64,991,805.72 is: 89,695,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,877,063.96 : 157,161,589.02 = 64,991,805.72 : x
  2. Step 2: Convert to fraction form
    113,877,063.96/157,161,589.02 = 64,991,805.72/x
  3. Step 3: Cross multiply
    113,877,063.96x = 157,161,589.02 × 64,991,805.72
  4. Step 4: Simplify right side
    113,877,063.96x = 10,214,215,460,234,326
  5. Step 5: Solve for x
    x = 10,214,215,460,234,326/113,877,063.96
  6. Step 6: Final answer
    x = 89,695,107.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.