Home / 52,403,823.69-72,317,563.53-30,390,374.88

Finding the Fourth Proportional to 52,403,823.69, 72,317,563.53 and 30,390,374.88

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Solution

The fourth proportional to 52,403,823.69, 72,317,563.53 and 30,390,374.88 is: 41,938,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403,823.69 : 72,317,563.53 = 30,390,374.88 : x
  2. Step 2: Convert to fraction form
    52,403,823.69/72,317,563.53 = 30,390,374.88/x
  3. Step 3: Cross multiply
    52,403,823.69x = 72,317,563.53 × 30,390,374.88
  4. Step 4: Simplify right side
    52,403,823.69x = 2,197,757,866,084,916
  5. Step 5: Solve for x
    x = 2,197,757,866,084,916/52,403,823.69
  6. Step 6: Final answer
    x = 41,938,883.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.