Home / 525,977,382.40-788,966,073.60-137,799,462.40

Finding the Fourth Proportional to 525,977,382.40, 788,966,073.60 and 137,799,462.40

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Solution

The fourth proportional to 525,977,382.40, 788,966,073.60 and 137,799,462.40 is: 206,699,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,977,382.40 : 788,966,073.60 = 137,799,462.40 : x
  2. Step 2: Convert to fraction form
    525,977,382.40/788,966,073.60 = 137,799,462.40/x
  3. Step 3: Cross multiply
    525,977,382.40x = 788,966,073.60 × 137,799,462.40
  4. Step 4: Simplify right side
    525,977,382.40x = 108,719,100,793,918,848
  5. Step 5: Solve for x
    x = 108,719,100,793,918,848/525,977,382.40
  6. Step 6: Final answer
    x = 206,699,193.60

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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.