Home / 119,620,346.40-179,430,519.60-42,933,410.10

Finding the Fourth Proportional to 119,620,346.40, 179,430,519.60 and 42,933,410.10

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Solution

The fourth proportional to 119,620,346.40, 179,430,519.60 and 42,933,410.10 is: 64,400,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,620,346.40 : 179,430,519.60 = 42,933,410.10 : x
  2. Step 2: Convert to fraction form
    119,620,346.40/179,430,519.60 = 42,933,410.10/x
  3. Step 3: Cross multiply
    119,620,346.40x = 179,430,519.60 × 42,933,410.10
  4. Step 4: Simplify right side
    119,620,346.40x = 7,703,564,082,442,888
  5. Step 5: Solve for x
    x = 7,703,564,082,442,888/119,620,346.40
  6. Step 6: Final answer
    x = 64,400,115.15

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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.