Home / 165,248,302.86-247,818,941.10-54,559,107.11

Finding the Fourth Proportional to 165,248,302.86, 247,818,941.10 and 54,559,107.11

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Solution

The fourth proportional to 165,248,302.86, 247,818,941.10 and 54,559,107.11 is: 81,820,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,248,302.86 : 247,818,941.10 = 54,559,107.11 : x
  2. Step 2: Convert to fraction form
    165,248,302.86/247,818,941.10 = 54,559,107.11/x
  3. Step 3: Cross multiply
    165,248,302.86x = 247,818,941.10 × 54,559,107.11
  4. Step 4: Simplify right side
    165,248,302.86x = 13,520,780,151,981,228
  5. Step 5: Solve for x
    x = 13,520,780,151,981,228/165,248,302.86
  6. Step 6: Final answer
    x = 81,820,992.52

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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.