Home / 65,881,201.92-90,916,067.04-36,514,430.40

Finding the Fourth Proportional to 65,881,201.92, 90,916,067.04 and 36,514,430.40

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Solution

The fourth proportional to 65,881,201.92, 90,916,067.04 and 36,514,430.40 is: 50,389,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,881,201.92 : 90,916,067.04 = 36,514,430.40 : x
  2. Step 2: Convert to fraction form
    65,881,201.92/90,916,067.04 = 36,514,430.40/x
  3. Step 3: Cross multiply
    65,881,201.92x = 90,916,067.04 × 36,514,430.40
  4. Step 4: Simplify right side
    65,881,201.92x = 3,319,748,402,173,814
  5. Step 5: Solve for x
    x = 3,319,748,402,173,814/65,881,201.92
  6. Step 6: Final answer
    x = 50,389,918.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.