Home / 422,282,637.46-633,422,688.96-107,148,056.20

Finding the Fourth Proportional to 422,282,637.46, 633,422,688.96 and 107,148,056.20

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Solution

The fourth proportional to 422,282,637.46, 633,422,688.96 and 107,148,056.20 is: 160,721,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,282,637.46 : 633,422,688.96 = 107,148,056.20 : x
  2. Step 2: Convert to fraction form
    422,282,637.46/633,422,688.96 = 107,148,056.20/x
  3. Step 3: Cross multiply
    422,282,637.46x = 633,422,688.96 × 107,148,056.20
  4. Step 4: Simplify right side
    422,282,637.46x = 67,870,009,875,041,208
  5. Step 5: Solve for x
    x = 67,870,009,875,041,208/422,282,637.46
  6. Step 6: Final answer
    x = 160,721,762.76

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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.