Home / 194,623,701.03-268,581,419.19-105,315,646.05

Finding the Fourth Proportional to 194,623,701.03, 268,581,419.19 and 105,315,646.05

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Solution

The fourth proportional to 194,623,701.03, 268,581,419.19 and 105,315,646.05 is: 145,335,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623,701.03 : 268,581,419.19 = 105,315,646.05 : x
  2. Step 2: Convert to fraction form
    194,623,701.03/268,581,419.19 = 105,315,646.05/x
  3. Step 3: Cross multiply
    194,623,701.03x = 268,581,419.19 × 105,315,646.05
  4. Step 4: Simplify right side
    194,623,701.03x = 28,285,825,679,020,716
  5. Step 5: Solve for x
    x = 28,285,825,679,020,716/194,623,701.03
  6. Step 6: Final answer
    x = 145,335,976.70

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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.