Home / 146,155,270.79-201,668,636.15-83,402,717.51

Finding the Fourth Proportional to 146,155,270.79, 201,668,636.15 and 83,402,717.51

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Solution

The fourth proportional to 146,155,270.79, 201,668,636.15 and 83,402,717.51 is: 115,081,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,155,270.79 : 201,668,636.15 = 83,402,717.51 : x
  2. Step 2: Convert to fraction form
    146,155,270.79/201,668,636.15 = 83,402,717.51/x
  3. Step 3: Cross multiply
    146,155,270.79x = 201,668,636.15 × 83,402,717.51
  4. Step 4: Simplify right side
    146,155,270.79x = 16,819,712,291,845,344
  5. Step 5: Solve for x
    x = 16,819,712,291,845,344/146,155,270.79
  6. Step 6: Final answer
    x = 115,081,120.24

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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.