Home / 216,528,158.56-298,781,325.84-123,714,677.92

Finding the Fourth Proportional to 216,528,158.56, 298,781,325.84 and 123,714,677.92

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Solution

The fourth proportional to 216,528,158.56, 298,781,325.84 and 123,714,677.92 is: 170,710,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,528,158.56 : 298,781,325.84 = 123,714,677.92 : x
  2. Step 2: Convert to fraction form
    216,528,158.56/298,781,325.84 = 123,714,677.92/x
  3. Step 3: Cross multiply
    216,528,158.56x = 298,781,325.84 × 123,714,677.92
  4. Step 4: Simplify right side
    216,528,158.56x = 36,963,635,494,806,168
  5. Step 5: Solve for x
    x = 36,963,635,494,806,168/216,528,158.56
  6. Step 6: Final answer
    x = 170,710,524.40

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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.