Home / 159,445,412.43-220,034,667.36-86,106,554.43

Finding the Fourth Proportional to 159,445,412.43, 220,034,667.36 and 86,106,554.43

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Solution

The fourth proportional to 159,445,412.43, 220,034,667.36 and 86,106,554.43 is: 118,827,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,445,412.43 : 220,034,667.36 = 86,106,554.43 : x
  2. Step 2: Convert to fraction form
    159,445,412.43/220,034,667.36 = 86,106,554.43/x
  3. Step 3: Cross multiply
    159,445,412.43x = 220,034,667.36 × 86,106,554.43
  4. Step 4: Simplify right side
    159,445,412.43x = 18,946,427,061,520,788
  5. Step 5: Solve for x
    x = 18,946,427,061,520,788/159,445,412.43
  6. Step 6: Final answer
    x = 118,827,044.14

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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.