Home / 121,296,047.30-182,007,056.55-53,145,628.10

Finding the Fourth Proportional to 121,296,047.30, 182,007,056.55 and 53,145,628.10

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Solution

The fourth proportional to 121,296,047.30, 182,007,056.55 and 53,145,628.10 is: 79,746,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,296,047.30 : 182,007,056.55 = 53,145,628.10 : x
  2. Step 2: Convert to fraction form
    121,296,047.30/182,007,056.55 = 53,145,628.10/x
  3. Step 3: Cross multiply
    121,296,047.30x = 182,007,056.55 × 53,145,628.10
  4. Step 4: Simplify right side
    121,296,047.30x = 9,672,879,338,981,970
  5. Step 5: Solve for x
    x = 9,672,879,338,981,970/121,296,047.30
  6. Step 6: Final answer
    x = 79,746,039.17

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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.