Home / 386,208,086.40-579,312,129.60-95,072,896.80

Finding the Fourth Proportional to 386,208,086.40, 579,312,129.60 and 95,072,896.80

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Solution

The fourth proportional to 386,208,086.40, 579,312,129.60 and 95,072,896.80 is: 142,609,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,208,086.40 : 579,312,129.60 = 95,072,896.80 : x
  2. Step 2: Convert to fraction form
    386,208,086.40/579,312,129.60 = 95,072,896.80/x
  3. Step 3: Cross multiply
    386,208,086.40x = 579,312,129.60 × 95,072,896.80
  4. Step 4: Simplify right side
    386,208,086.40x = 55,076,882,312,449,024
  5. Step 5: Solve for x
    x = 55,076,882,312,449,024/386,208,086.40
  6. Step 6: Final answer
    x = 142,609,345.20

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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.