Home / 121,489,604.90-182,242,488.14-42,696,582.59

Finding the Fourth Proportional to 121,489,604.90, 182,242,488.14 and 42,696,582.59

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Solution

The fourth proportional to 121,489,604.90, 182,242,488.14 and 42,696,582.59 is: 64,047,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,489,604.90 : 182,242,488.14 = 42,696,582.59 : x
  2. Step 2: Convert to fraction form
    121,489,604.90/182,242,488.14 = 42,696,582.59/x
  3. Step 3: Cross multiply
    121,489,604.90x = 182,242,488.14 × 42,696,582.59
  4. Step 4: Simplify right side
    121,489,604.90x = 7,781,131,446,063,123
  5. Step 5: Solve for x
    x = 7,781,131,446,063,123/121,489,604.90
  6. Step 6: Final answer
    x = 64,047,713.81

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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.