Home / 252,755,416,159.96-348,802,390,111.35-138,567,585,477.64

Finding the Fourth Proportional to 252,755,416,159.96, 348,802,390,111.35 and 138,567,585,477.64

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Solution

The fourth proportional to 252,755,416,159.96, 348,802,390,111.35 and 138,567,585,477.64 is: 191,223,221,804.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,755,416,159.96 : 348,802,390,111.35 = 138,567,585,477.64 : x
  2. Step 2: Convert to fraction form
    252,755,416,159.96/348,802,390,111.35 = 138,567,585,477.64/x
  3. Step 3: Cross multiply
    252,755,416,159.96x = 348,802,390,111.35 × 138,567,585,477.64
  4. Step 4: Simplify right side
    252,755,416,159.96x = 48,332,705,006,559,625,740,288
  5. Step 5: Solve for x
    x = 48,332,705,006,559,625,740,288/252,755,416,159.96
  6. Step 6: Final answer
    x = 191,223,221,804.16

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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.