Home / 308,391,463.76-462,537,558.60-89,990,528.72

Finding the Fourth Proportional to 308,391,463.76, 462,537,558.60 and 89,990,528.72

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Solution

The fourth proportional to 308,391,463.76, 462,537,558.60 and 89,990,528.72 is: 134,971,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,391,463.76 : 462,537,558.60 = 89,990,528.72 : x
  2. Step 2: Convert to fraction form
    308,391,463.76/462,537,558.60 = 89,990,528.72/x
  3. Step 3: Cross multiply
    308,391,463.76x = 462,537,558.60 × 89,990,528.72
  4. Step 4: Simplify right side
    308,391,463.76x = 41,623,999,451,271,984
  5. Step 5: Solve for x
    x = 41,623,999,451,271,984/308,391,463.76
  6. Step 6: Final answer
    x = 134,971,308.69

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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.