Home / 160,389,878.86-221,300,096.91-90,775,259.72

Finding the Fourth Proportional to 160,389,878.86, 221,300,096.91 and 90,775,259.72

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Solution

The fourth proportional to 160,389,878.86, 221,300,096.91 and 90,775,259.72 is: 125,248,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,389,878.86 : 221,300,096.91 = 90,775,259.72 : x
  2. Step 2: Convert to fraction form
    160,389,878.86/221,300,096.91 = 90,775,259.72/x
  3. Step 3: Cross multiply
    160,389,878.86x = 221,300,096.91 × 90,775,259.72
  4. Step 4: Simplify right side
    160,389,878.86x = 20,088,573,772,960,452
  5. Step 5: Solve for x
    x = 20,088,573,772,960,452/160,389,878.86
  6. Step 6: Final answer
    x = 125,248,387.96

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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.