Home / 194,623,681.42-268,581,391.86-105,315,626.04

Finding the Fourth Proportional to 194,623,681.42, 268,581,391.86 and 105,315,626.04

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Solution

The fourth proportional to 194,623,681.42, 268,581,391.86 and 105,315,626.04 is: 145,335,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623,681.42 : 268,581,391.86 = 105,315,626.04 : x
  2. Step 2: Convert to fraction form
    194,623,681.42/268,581,391.86 = 105,315,626.04/x
  3. Step 3: Cross multiply
    194,623,681.42x = 268,581,391.86 × 105,315,626.04
  4. Step 4: Simplify right side
    194,623,681.42x = 28,285,817,426,430,464
  5. Step 5: Solve for x
    x = 28,285,817,426,430,464/194,623,681.42
  6. Step 6: Final answer
    x = 145,335,948.95

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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.