Home / 308,028,907.60-462,038,894.52-74,861,348.56

Finding the Fourth Proportional to 308,028,907.60, 462,038,894.52 and 74,861,348.56

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Solution

The fourth proportional to 308,028,907.60, 462,038,894.52 and 74,861,348.56 is: 112,290,937.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,028,907.60 : 462,038,894.52 = 74,861,348.56 : x
  2. Step 2: Convert to fraction form
    308,028,907.60/462,038,894.52 = 74,861,348.56/x
  3. Step 3: Cross multiply
    308,028,907.60x = 462,038,894.52 × 74,861,348.56
  4. Step 4: Simplify right side
    308,028,907.60x = 34,588,854,730,938,792
  5. Step 5: Solve for x
    x = 34,588,854,730,938,792/308,028,907.60
  6. Step 6: Final answer
    x = 112,290,937.24

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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.