Home / 143,803,810.20-215,705,715.30-119,888,965.20

Finding the Fourth Proportional to 143,803,810.20, 215,705,715.30 and 119,888,965.20

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Solution

The fourth proportional to 143,803,810.20, 215,705,715.30 and 119,888,965.20 is: 179,833,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,803,810.20 : 215,705,715.30 = 119,888,965.20 : x
  2. Step 2: Convert to fraction form
    143,803,810.20/215,705,715.30 = 119,888,965.20/x
  3. Step 3: Cross multiply
    143,803,810.20x = 215,705,715.30 × 119,888,965.20
  4. Step 4: Simplify right side
    143,803,810.20x = 25,860,734,995,042,808
  5. Step 5: Solve for x
    x = 25,860,734,995,042,808/143,803,810.20
  6. Step 6: Final answer
    x = 179,833,447.80

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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.