Home / 113,958,357.66-157,262,672.54-61,747,352.15

Finding the Fourth Proportional to 113,958,357.66, 157,262,672.54 and 61,747,352.15

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Solution

The fourth proportional to 113,958,357.66, 157,262,672.54 and 61,747,352.15 is: 85,211,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,958,357.66 : 157,262,672.54 = 61,747,352.15 : x
  2. Step 2: Convert to fraction form
    113,958,357.66/157,262,672.54 = 61,747,352.15/x
  3. Step 3: Cross multiply
    113,958,357.66x = 157,262,672.54 × 61,747,352.15
  4. Step 4: Simplify right side
    113,958,357.66x = 9,710,553,620,745,570
  5. Step 5: Solve for x
    x = 9,710,553,620,745,570/113,958,357.66
  6. Step 6: Final answer
    x = 85,211,421.26

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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.