Home / 134,139,217.40-201,208,826.10-82,483,152.20

Finding the Fourth Proportional to 134,139,217.40, 201,208,826.10 and 82,483,152.20

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Solution

The fourth proportional to 134,139,217.40, 201,208,826.10 and 82,483,152.20 is: 123,724,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,139,217.40 : 201,208,826.10 = 82,483,152.20 : x
  2. Step 2: Convert to fraction form
    134,139,217.40/201,208,826.10 = 82,483,152.20/x
  3. Step 3: Cross multiply
    134,139,217.40x = 201,208,826.10 × 82,483,152.20
  4. Step 4: Simplify right side
    134,139,217.40x = 16,596,338,227,189,632
  5. Step 5: Solve for x
    x = 16,596,338,227,189,632/134,139,217.40
  6. Step 6: Final answer
    x = 123,724,728.30

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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.