Home / 68,078,999.64-93,941,774.70-38,309,127.96

Finding the Fourth Proportional to 68,078,999.64, 93,941,774.70 and 38,309,127.96

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Solution

The fourth proportional to 68,078,999.64, 93,941,774.70 and 38,309,127.96 is: 52,862,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,078,999.64 : 93,941,774.70 = 38,309,127.96 : x
  2. Step 2: Convert to fraction form
    68,078,999.64/93,941,774.70 = 38,309,127.96/x
  3. Step 3: Cross multiply
    68,078,999.64x = 93,941,774.70 × 38,309,127.96
  4. Step 4: Simplify right side
    68,078,999.64x = 3,598,827,467,771,791
  5. Step 5: Solve for x
    x = 3,598,827,467,771,791/68,078,999.64
  6. Step 6: Final answer
    x = 52,862,519.82

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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.