Home / 313,127,687.52-469,505,459.70-119,053,307.52

Finding the Fourth Proportional to 313,127,687.52, 469,505,459.70 and 119,053,307.52

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Solution

The fourth proportional to 313,127,687.52, 469,505,459.70 and 119,053,307.52 is: 178,509,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,127,687.52 : 469,505,459.70 = 119,053,307.52 : x
  2. Step 2: Convert to fraction form
    313,127,687.52/469,505,459.70 = 119,053,307.52/x
  3. Step 3: Cross multiply
    313,127,687.52x = 469,505,459.70 × 119,053,307.52
  4. Step 4: Simplify right side
    313,127,687.52x = 55,896,177,875,983,064
  5. Step 5: Solve for x
    x = 55,896,177,875,983,064/313,127,687.52
  6. Step 6: Final answer
    x = 178,509,215.58

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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.