Home / 288,255,035.70-432,382,553.55-132,808,543.20

Finding the Fourth Proportional to 288,255,035.70, 432,382,553.55 and 132,808,543.20

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Solution

The fourth proportional to 288,255,035.70, 432,382,553.55 and 132,808,543.20 is: 199,212,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,255,035.70 : 432,382,553.55 = 132,808,543.20 : x
  2. Step 2: Convert to fraction form
    288,255,035.70/432,382,553.55 = 132,808,543.20/x
  3. Step 3: Cross multiply
    288,255,035.70x = 432,382,553.55 × 132,808,543.20
  4. Step 4: Simplify right side
    288,255,035.70x = 57,424,097,042,071,488
  5. Step 5: Solve for x
    x = 57,424,097,042,071,488/288,255,035.70
  6. Step 6: Final answer
    x = 199,212,814.80

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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.