Home / 163,214,440.20-244,955,504.70-161,938,981.80

Finding the Fourth Proportional to 163,214,440.20, 244,955,504.70 and 161,938,981.80

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Solution

The fourth proportional to 163,214,440.20, 244,955,504.70 and 161,938,981.80 is: 243,041,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,214,440.20 : 244,955,504.70 = 161,938,981.80 : x
  2. Step 2: Convert to fraction form
    163,214,440.20/244,955,504.70 = 161,938,981.80/x
  3. Step 3: Cross multiply
    163,214,440.20x = 244,955,504.70 × 161,938,981.80
  4. Step 4: Simplify right side
    163,214,440.20x = 39,667,845,017,423,112
  5. Step 5: Solve for x
    x = 39,667,845,017,423,112/163,214,440.20
  6. Step 6: Final answer
    x = 243,041,271.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.