Home / 152,710,632.38-210,738,901.20-83,094,813.83

Finding the Fourth Proportional to 152,710,632.38, 210,738,901.20 and 83,094,813.83

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Solution

The fourth proportional to 152,710,632.38, 210,738,901.20 and 83,094,813.83 is: 114,669,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,710,632.38 : 210,738,901.20 = 83,094,813.83 : x
  2. Step 2: Convert to fraction form
    152,710,632.38/210,738,901.20 = 83,094,813.83/x
  3. Step 3: Cross multiply
    152,710,632.38x = 210,738,901.20 × 83,094,813.83
  4. Step 4: Simplify right side
    152,710,632.38x = 17,511,309,760,899,068
  5. Step 5: Solve for x
    x = 17,511,309,760,899,068/152,710,632.38
  6. Step 6: Final answer
    x = 114,669,879.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.