Home / 210,857,883.20-290,981,635.44-118,039,153.76

Finding the Fourth Proportional to 210,857,883.20, 290,981,635.44 and 118,039,153.76

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Solution

The fourth proportional to 210,857,883.20, 290,981,635.44 and 118,039,153.76 is: 162,892,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,857,883.20 : 290,981,635.44 = 118,039,153.76 : x
  2. Step 2: Convert to fraction form
    210,857,883.20/290,981,635.44 = 118,039,153.76/x
  3. Step 3: Cross multiply
    210,857,883.20x = 290,981,635.44 × 118,039,153.76
  4. Step 4: Simplify right side
    210,857,883.20x = 34,347,226,007,038,428
  5. Step 5: Solve for x
    x = 34,347,226,007,038,428/210,857,883.20
  6. Step 6: Final answer
    x = 162,892,776.34

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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.