Home / 235,817,821.53-353,790,417.42-72,051,112.62

Finding the Fourth Proportional to 235,817,821.53, 353,790,417.42 and 72,051,112.62

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Solution

The fourth proportional to 235,817,821.53, 353,790,417.42 and 72,051,112.62 is: 108,096,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,817,821.53 : 353,790,417.42 = 72,051,112.62 : x
  2. Step 2: Convert to fraction form
    235,817,821.53/353,790,417.42 = 72,051,112.62/x
  3. Step 3: Cross multiply
    235,817,821.53x = 353,790,417.42 × 72,051,112.62
  4. Step 4: Simplify right side
    235,817,821.53x = 25,490,993,209,405,232
  5. Step 5: Solve for x
    x = 25,490,993,209,405,232/235,817,821.53
  6. Step 6: Final answer
    x = 108,096,127.10

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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.