Home / 144,582,700.80-217,042,012.80-87,139,833.60

Finding the Fourth Proportional to 144,582,700.80, 217,042,012.80 and 87,139,833.60

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Solution

The fourth proportional to 144,582,700.80, 217,042,012.80 and 87,139,833.60 is: 130,810,980.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,582,700.80 : 217,042,012.80 = 87,139,833.60 : x
  2. Step 2: Convert to fraction form
    144,582,700.80/217,042,012.80 = 87,139,833.60/x
  3. Step 3: Cross multiply
    144,582,700.80x = 217,042,012.80 × 87,139,833.60
  4. Step 4: Simplify right side
    144,582,700.80x = 18,913,004,879,601,068
  5. Step 5: Solve for x
    x = 18,913,004,879,601,068/144,582,700.80
  6. Step 6: Final answer
    x = 130,810,980.67

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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.