Home / 194,623,649.28-268,581,347.76-105,315,594.24

Finding the Fourth Proportional to 194,623,649.28, 268,581,347.76 and 105,315,594.24

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Solution

The fourth proportional to 194,623,649.28, 268,581,347.76 and 105,315,594.24 is: 145,335,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623,649.28 : 268,581,347.76 = 105,315,594.24 : x
  2. Step 2: Convert to fraction form
    194,623,649.28/268,581,347.76 = 105,315,594.24/x
  3. Step 3: Cross multiply
    194,623,649.28x = 268,581,347.76 × 105,315,594.24
  4. Step 4: Simplify right side
    194,623,649.28x = 28,285,804,241,124,492
  5. Step 5: Solve for x
    x = 28,285,804,241,124,492/194,623,649.28
  6. Step 6: Final answer
    x = 145,335,905.20

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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.