Home / 129,085,374.92-193,668,994.55-46,085,346.77

Finding the Fourth Proportional to 129,085,374.92, 193,668,994.55 and 46,085,346.77

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Solution

The fourth proportional to 129,085,374.92, 193,668,994.55 and 46,085,346.77 is: 69,142,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,085,374.92 : 193,668,994.55 = 46,085,346.77 : x
  2. Step 2: Convert to fraction form
    129,085,374.92/193,668,994.55 = 46,085,346.77/x
  3. Step 3: Cross multiply
    129,085,374.92x = 193,668,994.55 × 46,085,346.77
  4. Step 4: Simplify right side
    129,085,374.92x = 8,925,302,771,580,859
  5. Step 5: Solve for x
    x = 8,925,302,771,580,859/129,085,374.92
  6. Step 6: Final answer
    x = 69,142,633.53

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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.