Home / 119,451,157.12-179,010,166.20-90,281,048.32

Finding the Fourth Proportional to 119,451,157.12, 179,010,166.20 and 90,281,048.32

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Solution

The fourth proportional to 119,451,157.12, 179,010,166.20 and 90,281,048.32 is: 135,295,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,451,157.12 : 179,010,166.20 = 90,281,048.32 : x
  2. Step 2: Convert to fraction form
    119,451,157.12/179,010,166.20 = 90,281,048.32/x
  3. Step 3: Cross multiply
    119,451,157.12x = 179,010,166.20 × 90,281,048.32
  4. Step 4: Simplify right side
    119,451,157.12x = 16,161,225,464,473,428
  5. Step 5: Solve for x
    x = 16,161,225,464,473,428/119,451,157.12
  6. Step 6: Final answer
    x = 135,295,679.46

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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.