Home / 113,340,935.40-170,011,403.10-90,666,119.40

Finding the Fourth Proportional to 113,340,935.40, 170,011,403.10 and 90,666,119.40

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Solution

The fourth proportional to 113,340,935.40, 170,011,403.10 and 90,666,119.40 is: 135,999,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,340,935.40 : 170,011,403.10 = 90,666,119.40 : x
  2. Step 2: Convert to fraction form
    113,340,935.40/170,011,403.10 = 90,666,119.40/x
  3. Step 3: Cross multiply
    113,340,935.40x = 170,011,403.10 × 90,666,119.40
  4. Step 4: Simplify right side
    113,340,935.40x = 15,414,274,172,826,130
  5. Step 5: Solve for x
    x = 15,414,274,172,826,130/113,340,935.40
  6. Step 6: Final answer
    x = 135,999,179.10

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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.