Home / 75,551,813.80-113,327,720.70-59,112,572.20

Finding the Fourth Proportional to 75,551,813.80, 113,327,720.70 and 59,112,572.20

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Solution

The fourth proportional to 75,551,813.80, 113,327,720.70 and 59,112,572.20 is: 88,668,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,551,813.80 : 113,327,720.70 = 59,112,572.20 : x
  2. Step 2: Convert to fraction form
    75,551,813.80/113,327,720.70 = 59,112,572.20/x
  3. Step 3: Cross multiply
    75,551,813.80x = 113,327,720.70 × 59,112,572.20
  4. Step 4: Simplify right side
    75,551,813.80x = 6,699,093,072,140,185
  5. Step 5: Solve for x
    x = 6,699,093,072,140,185/75,551,813.80
  6. Step 6: Final answer
    x = 88,668,858.30

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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.