Home / 162,120,897.81-243,206,541-54,440,716.05

Finding the Fourth Proportional to 162,120,897.81, 243,206,541 and 54,440,716.05

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Solution

The fourth proportional to 162,120,897.81, 243,206,541 and 54,440,716.05 is: 81,669,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,120,897.81 : 243,206,541 = 54,440,716.05 : x
  2. Step 2: Convert to fraction form
    162,120,897.81/243,206,541 = 54,440,716.05/x
  3. Step 3: Cross multiply
    162,120,897.81x = 243,206,541 × 54,440,716.05
  4. Step 4: Simplify right side
    162,120,897.81x = 13,240,338,240,083,682
  5. Step 5: Solve for x
    x = 13,240,338,240,083,682/162,120,897.81
  6. Step 6: Final answer
    x = 81,669,534.40

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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.