Home / 308,687,313.28-462,678,730.08-124,336,791.04

Finding the Fourth Proportional to 308,687,313.28, 462,678,730.08 and 124,336,791.04

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Solution

The fourth proportional to 308,687,313.28, 462,678,730.08 and 124,336,791.04 is: 186,363,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,687,313.28 : 462,678,730.08 = 124,336,791.04 : x
  2. Step 2: Convert to fraction form
    308,687,313.28/462,678,730.08 = 124,336,791.04/x
  3. Step 3: Cross multiply
    308,687,313.28x = 462,678,730.08 × 124,336,791.04
  4. Step 4: Simplify right side
    308,687,313.28x = 57,527,988,580,609,520
  5. Step 5: Solve for x
    x = 57,527,988,580,609,520/308,687,313.28
  6. Step 6: Final answer
    x = 186,363,307.16

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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.