Home / 162,413,897.40-243,620,846.10-97,843,815.90

Finding the Fourth Proportional to 162,413,897.40, 243,620,846.10 and 97,843,815.90

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Solution

The fourth proportional to 162,413,897.40, 243,620,846.10 and 97,843,815.90 is: 146,765,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,413,897.40 : 243,620,846.10 = 97,843,815.90 : x
  2. Step 2: Convert to fraction form
    162,413,897.40/243,620,846.10 = 97,843,815.90/x
  3. Step 3: Cross multiply
    162,413,897.40x = 243,620,846.10 × 97,843,815.90
  4. Step 4: Simplify right side
    162,413,897.40x = 23,836,793,215,210,632
  5. Step 5: Solve for x
    x = 23,836,793,215,210,632/162,413,897.40
  6. Step 6: Final answer
    x = 146,765,723.85

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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.