Home / 216,430,777.13-298,706,382.59-137,053,083.60

Finding the Fourth Proportional to 216,430,777.13, 298,706,382.59 and 137,053,083.60

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Solution

The fourth proportional to 216,430,777.13, 298,706,382.59 and 137,053,083.60 is: 189,153,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,430,777.13 : 298,706,382.59 = 137,053,083.60 : x
  2. Step 2: Convert to fraction form
    216,430,777.13/298,706,382.59 = 137,053,083.60/x
  3. Step 3: Cross multiply
    216,430,777.13x = 298,706,382.59 × 137,053,083.60
  4. Step 4: Simplify right side
    216,430,777.13x = 40,938,630,824,275,584
  5. Step 5: Solve for x
    x = 40,938,630,824,275,584/216,430,777.13
  6. Step 6: Final answer
    x = 189,153,462.22

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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.