Home / 321,731,446.40-482,723,140.80-117,280,188.80

Finding the Fourth Proportional to 321,731,446.40, 482,723,140.80 and 117,280,188.80

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Solution

The fourth proportional to 321,731,446.40, 482,723,140.80 and 117,280,188.80 is: 175,966,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,731,446.40 : 482,723,140.80 = 117,280,188.80 : x
  2. Step 2: Convert to fraction form
    321,731,446.40/482,723,140.80 = 117,280,188.80/x
  3. Step 3: Cross multiply
    321,731,446.40x = 482,723,140.80 × 117,280,188.80
  4. Step 4: Simplify right side
    321,731,446.40x = 56,613,861,091,152,984
  5. Step 5: Solve for x
    x = 56,613,861,091,152,984/321,731,446.40
  6. Step 6: Final answer
    x = 175,966,203.26

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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.