Home / 159,483,065.16-220,086,714.34-86,144,207.08

Finding the Fourth Proportional to 159,483,065.16, 220,086,714.34 and 86,144,207.08

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Solution

The fourth proportional to 159,483,065.16, 220,086,714.34 and 86,144,207.08 is: 118,879,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,483,065.16 : 220,086,714.34 = 86,144,207.08 : x
  2. Step 2: Convert to fraction form
    159,483,065.16/220,086,714.34 = 86,144,207.08/x
  3. Step 3: Cross multiply
    159,483,065.16x = 220,086,714.34 × 86,144,207.08
  4. Step 4: Simplify right side
    159,483,065.16x = 18,959,195,495,661,764
  5. Step 5: Solve for x
    x = 18,959,195,495,661,764/159,483,065.16
  6. Step 6: Final answer
    x = 118,879,051.37

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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.