Home / 215,708,208-297,678,376.80-117,923,064

Finding the Fourth Proportional to 215,708,208, 297,678,376.80 and 117,923,064

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Solution

The fourth proportional to 215,708,208, 297,678,376.80 and 117,923,064 is: 162,734,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,708,208 : 297,678,376.80 = 117,923,064 : x
  2. Step 2: Convert to fraction form
    215,708,208/297,678,376.80 = 117,923,064/x
  3. Step 3: Cross multiply
    215,708,208x = 297,678,376.80 × 117,923,064
  4. Step 4: Simplify right side
    215,708,208x = 35,103,146,278,802,516
  5. Step 5: Solve for x
    x = 35,103,146,278,802,516/215,708,208
  6. Step 6: Final answer
    x = 162,734,402.20

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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.