Home / 88,583,846.40-132,875,769.60-86,593,190.40

Finding the Fourth Proportional to 88,583,846.40, 132,875,769.60 and 86,593,190.40

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Solution

The fourth proportional to 88,583,846.40, 132,875,769.60 and 86,593,190.40 is: 129,889,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,583,846.40 : 132,875,769.60 = 86,593,190.40 : x
  2. Step 2: Convert to fraction form
    88,583,846.40/132,875,769.60 = 86,593,190.40/x
  3. Step 3: Cross multiply
    88,583,846.40x = 132,875,769.60 × 86,593,190.40
  4. Step 4: Simplify right side
    88,583,846.40x = 11,506,136,816,519,332
  5. Step 5: Solve for x
    x = 11,506,136,816,519,332/88,583,846.40
  6. Step 6: Final answer
    x = 129,889,785.60

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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.