Home / 146,155,345.92-201,668,739.60-83,402,792.64

Finding the Fourth Proportional to 146,155,345.92, 201,668,739.60 and 83,402,792.64

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Solution

The fourth proportional to 146,155,345.92, 201,668,739.60 and 83,402,792.64 is: 115,081,223.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,155,345.92 : 201,668,739.60 = 83,402,792.64 : x
  2. Step 2: Convert to fraction form
    146,155,345.92/201,668,739.60 = 83,402,792.64/x
  3. Step 3: Cross multiply
    146,155,345.92x = 201,668,739.60 × 83,402,792.64
  4. Step 4: Simplify right side
    146,155,345.92x = 16,819,736,070,828,956
  5. Step 5: Solve for x
    x = 16,819,736,070,828,956/146,155,345.92
  6. Step 6: Final answer
    x = 115,081,223.78

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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.