Home / 127,916,077.20-191,818,128.60-51,213,613.20

Finding the Fourth Proportional to 127,916,077.20, 191,818,128.60 and 51,213,613.20

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Solution

The fourth proportional to 127,916,077.20, 191,818,128.60 and 51,213,613.20 is: 76,798,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,916,077.20 : 191,818,128.60 = 51,213,613.20 : x
  2. Step 2: Convert to fraction form
    127,916,077.20/191,818,128.60 = 51,213,613.20/x
  3. Step 3: Cross multiply
    127,916,077.20x = 191,818,128.60 × 51,213,613.20
  4. Step 4: Simplify right side
    127,916,077.20x = 9,823,699,442,868,258
  5. Step 5: Solve for x
    x = 9,823,699,442,868,258/127,916,077.20
  6. Step 6: Final answer
    x = 76,798,004.27

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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.