Home / 79,841,128.10-119,537,743.35-77,601,640.10

Finding the Fourth Proportional to 79,841,128.10, 119,537,743.35 and 77,601,640.10

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Solution

The fourth proportional to 79,841,128.10, 119,537,743.35 and 77,601,640.10 is: 116,184,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841,128.10 : 119,537,743.35 = 77,601,640.10 : x
  2. Step 2: Convert to fraction form
    79,841,128.10/119,537,743.35 = 77,601,640.10/x
  3. Step 3: Cross multiply
    79,841,128.10x = 119,537,743.35 × 77,601,640.10
  4. Step 4: Simplify right side
    79,841,128.10x = 9,276,324,937,812,868
  5. Step 5: Solve for x
    x = 9,276,324,937,812,868/79,841,128.10
  6. Step 6: Final answer
    x = 116,184,792.96

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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.