Home / 66,537,041.82-99,390,640.18-49,298,910.92

Finding the Fourth Proportional to 66,537,041.82, 99,390,640.18 and 49,298,910.92

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Solution

The fourth proportional to 66,537,041.82, 99,390,640.18 and 49,298,910.92 is: 73,640,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,537,041.82 : 99,390,640.18 = 49,298,910.92 : x
  2. Step 2: Convert to fraction form
    66,537,041.82/99,390,640.18 = 49,298,910.92/x
  3. Step 3: Cross multiply
    66,537,041.82x = 99,390,640.18 × 49,298,910.92
  4. Step 4: Simplify right side
    66,537,041.82x = 4,899,850,316,919,961
  5. Step 5: Solve for x
    x = 4,899,850,316,919,961/66,537,041.82
  6. Step 6: Final answer
    x = 73,640,940.19

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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.