Home / 66,537,042.82-99,390,641.67-49,298,911.92

Finding the Fourth Proportional to 66,537,042.82, 99,390,641.67 and 49,298,911.92

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Solution

The fourth proportional to 66,537,042.82, 99,390,641.67 and 49,298,911.92 is: 73,640,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,537,042.82 : 99,390,641.67 = 49,298,911.92 : x
  2. Step 2: Convert to fraction form
    66,537,042.82/99,390,641.67 = 49,298,911.92/x
  3. Step 3: Cross multiply
    66,537,042.82x = 99,390,641.67 × 49,298,911.92
  4. Step 4: Simplify right side
    66,537,042.82x = 4,899,850,489,361,612
  5. Step 5: Solve for x
    x = 4,899,850,489,361,612/66,537,042.82
  6. Step 6: Final answer
    x = 73,640,941.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.