Home / 288,586,491.93-432,724,015.67-130,933,461.15

Finding the Fourth Proportional to 288,586,491.93, 432,724,015.67 and 130,933,461.15

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Solution

The fourth proportional to 288,586,491.93, 432,724,015.67 and 130,933,461.15 is: 196,329,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,586,491.93 : 432,724,015.67 = 130,933,461.15 : x
  2. Step 2: Convert to fraction form
    288,586,491.93/432,724,015.67 = 130,933,461.15/x
  3. Step 3: Cross multiply
    288,586,491.93x = 432,724,015.67 × 130,933,461.15
  4. Step 4: Simplify right side
    288,586,491.93x = 56,658,053,093,745,272
  5. Step 5: Solve for x
    x = 56,658,053,093,745,272/288,586,491.93
  6. Step 6: Final answer
    x = 196,329,539.59

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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.