Home / 160,206,354.16-221,089,115.76-90,602,143.84

Finding the Fourth Proportional to 160,206,354.16, 221,089,115.76 and 90,602,143.84

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Solution

The fourth proportional to 160,206,354.16, 221,089,115.76 and 90,602,143.84 is: 125,033,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,206,354.16 : 221,089,115.76 = 90,602,143.84 : x
  2. Step 2: Convert to fraction form
    160,206,354.16/221,089,115.76 = 90,602,143.84/x
  3. Step 3: Cross multiply
    160,206,354.16x = 221,089,115.76 × 90,602,143.84
  4. Step 4: Simplify right side
    160,206,354.16x = 20,031,147,867,545,932
  5. Step 5: Solve for x
    x = 20,031,147,867,545,932/160,206,354.16
  6. Step 6: Final answer
    x = 125,033,416.89

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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.