Home / 59,431,901.50-89,153,960.66-20,570,289.92

Finding the Fourth Proportional to 59,431,901.50, 89,153,960.66 and 20,570,289.92

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Solution

The fourth proportional to 59,431,901.50, 89,153,960.66 and 20,570,289.92 is: 30,857,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,431,901.50 : 89,153,960.66 = 20,570,289.92 : x
  2. Step 2: Convert to fraction form
    59,431,901.50/89,153,960.66 = 20,570,289.92/x
  3. Step 3: Cross multiply
    59,431,901.50x = 89,153,960.66 × 20,570,289.92
  4. Step 4: Simplify right side
    59,431,901.50x = 1,833,922,818,292,474.75
  5. Step 5: Solve for x
    x = 1,833,922,818,292,474.75/59,431,901.50
  6. Step 6: Final answer
    x = 30,857,549.09

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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.