Home / 216,528,160.56-298,781,328.60-123,714,679.92

Finding the Fourth Proportional to 216,528,160.56, 298,781,328.60 and 123,714,679.92

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Solution

The fourth proportional to 216,528,160.56, 298,781,328.60 and 123,714,679.92 is: 170,710,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,528,160.56 : 298,781,328.60 = 123,714,679.92 : x
  2. Step 2: Convert to fraction form
    216,528,160.56/298,781,328.60 = 123,714,679.92/x
  3. Step 3: Cross multiply
    216,528,160.56x = 298,781,328.60 × 123,714,679.92
  4. Step 4: Simplify right side
    216,528,160.56x = 36,963,636,433,821,344
  5. Step 5: Solve for x
    x = 36,963,636,433,821,344/216,528,160.56
  6. Step 6: Final answer
    x = 170,710,527.16

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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.