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Finding the Fourth Proportional to 164,026,421.40, 246,039,632.10 and 164,026,421.40

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Solution

The fourth proportional to 164,026,421.40, 246,039,632.10 and 164,026,421.40 is: 246,039,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,026,421.40 : 246,039,632.10 = 164,026,421.40 : x
  2. Step 2: Convert to fraction form
    164,026,421.40/246,039,632.10 = 164,026,421.40/x
  3. Step 3: Cross multiply
    164,026,421.40x = 246,039,632.10 × 164,026,421.40
  4. Step 4: Simplify right side
    164,026,421.40x = 40,357,000,375,935,568
  5. Step 5: Solve for x
    x = 40,357,000,375,935,568/164,026,421.40
  6. Step 6: Final answer
    x = 246,039,632.10

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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.