Home / 194,623,748-268,581,484.20-105,315,693.20

Finding the Fourth Proportional to 194,623,748, 268,581,484.20 and 105,315,693.20

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Solution

The fourth proportional to 194,623,748, 268,581,484.20 and 105,315,693.20 is: 145,336,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623,748 : 268,581,484.20 = 105,315,693.20 : x
  2. Step 2: Convert to fraction form
    194,623,748/268,581,484.20 = 105,315,693.20/x
  3. Step 3: Cross multiply
    194,623,748x = 268,581,484.20 × 105,315,693.20
  4. Step 4: Simplify right side
    194,623,748x = 28,285,845,189,207,848
  5. Step 5: Solve for x
    x = 28,285,845,189,207,848/194,623,748
  6. Step 6: Final answer
    x = 145,336,041.88

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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.