Home / 172,113,743.40-237,510,036.51-93,795,615.30

Finding the Fourth Proportional to 172,113,743.40, 237,510,036.51 and 93,795,615.30

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Solution

The fourth proportional to 172,113,743.40, 237,510,036.51 and 93,795,615.30 is: 129,434,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,113,743.40 : 237,510,036.51 = 93,795,615.30 : x
  2. Step 2: Convert to fraction form
    172,113,743.40/237,510,036.51 = 93,795,615.30/x
  3. Step 3: Cross multiply
    172,113,743.40x = 237,510,036.51 × 93,795,615.30
  4. Step 4: Simplify right side
    172,113,743.40x = 22,277,400,014,380,912
  5. Step 5: Solve for x
    x = 22,277,400,014,380,912/172,113,743.40
  6. Step 6: Final answer
    x = 129,434,172.86

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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.