Home / 223,471,686.56-308,216,220-145,180,465.34

Finding the Fourth Proportional to 223,471,686.56, 308,216,220 and 145,180,465.34

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Solution

The fourth proportional to 223,471,686.56, 308,216,220 and 145,180,465.34 is: 200,235,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,471,686.56 : 308,216,220 = 145,180,465.34 : x
  2. Step 2: Convert to fraction form
    223,471,686.56/308,216,220 = 145,180,465.34/x
  3. Step 3: Cross multiply
    223,471,686.56x = 308,216,220 × 145,180,465.34
  4. Step 4: Simplify right side
    223,471,686.56x = 44,746,974,244,935,816
  5. Step 5: Solve for x
    x = 44,746,974,244,935,816/223,471,686.56
  6. Step 6: Final answer
    x = 200,235,541.84

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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.