Home / 159,727,580.10-220,424,076.72-86,388,722.10

Finding the Fourth Proportional to 159,727,580.10, 220,424,076.72 and 86,388,722.10

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Solution

The fourth proportional to 159,727,580.10, 220,424,076.72 and 86,388,722.10 is: 119,216,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,727,580.10 : 220,424,076.72 = 86,388,722.10 : x
  2. Step 2: Convert to fraction form
    159,727,580.10/220,424,076.72 = 86,388,722.10/x
  3. Step 3: Cross multiply
    159,727,580.10x = 220,424,076.72 × 86,388,722.10
  4. Step 4: Simplify right side
    159,727,580.10x = 19,042,154,307,913,160
  5. Step 5: Solve for x
    x = 19,042,154,307,913,160/159,727,580.10
  6. Step 6: Final answer
    x = 119,216,445.25

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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.