Home / 93,612,985.20-140,324,999.40-42,531,663.60

Finding the Fourth Proportional to 93,612,985.20, 140,324,999.40 and 42,531,663.60

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Solution

The fourth proportional to 93,612,985.20, 140,324,999.40 and 42,531,663.60 is: 63,754,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,612,985.20 : 140,324,999.40 = 42,531,663.60 : x
  2. Step 2: Convert to fraction form
    93,612,985.20/140,324,999.40 = 42,531,663.60/x
  3. Step 3: Cross multiply
    93,612,985.20x = 140,324,999.40 × 42,531,663.60
  4. Step 4: Simplify right side
    93,612,985.20x = 5,968,255,669,151,002
  5. Step 5: Solve for x
    x = 5,968,255,669,151,002/93,612,985.20
  6. Step 6: Final answer
    x = 63,754,570.55

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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.