Home / 113,419,279.80-170,128,919.70-52,841,129.40

Finding the Fourth Proportional to 113,419,279.80, 170,128,919.70 and 52,841,129.40

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Solution

The fourth proportional to 113,419,279.80, 170,128,919.70 and 52,841,129.40 is: 79,261,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,419,279.80 : 170,128,919.70 = 52,841,129.40 : x
  2. Step 2: Convert to fraction form
    113,419,279.80/170,128,919.70 = 52,841,129.40/x
  3. Step 3: Cross multiply
    113,419,279.80x = 170,128,919.70 × 52,841,129.40
  4. Step 4: Simplify right side
    113,419,279.80x = 8,989,804,260,549,908
  5. Step 5: Solve for x
    x = 8,989,804,260,549,908/113,419,279.80
  6. Step 6: Final answer
    x = 79,261,694.10

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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.