Home / 161,688,079.72-242,533,169.34-64,651,939.48

Finding the Fourth Proportional to 161,688,079.72, 242,533,169.34 and 64,651,939.48

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Solution

The fourth proportional to 161,688,079.72, 242,533,169.34 and 64,651,939.48 is: 96,978,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,688,079.72 : 242,533,169.34 = 64,651,939.48 : x
  2. Step 2: Convert to fraction form
    161,688,079.72/242,533,169.34 = 64,651,939.48/x
  3. Step 3: Cross multiply
    161,688,079.72x = 242,533,169.34 × 64,651,939.48
  4. Step 4: Simplify right side
    161,688,079.72x = 15,680,239,786,062,270
  5. Step 5: Solve for x
    x = 15,680,239,786,062,270/161,688,079.72
  6. Step 6: Final answer
    x = 96,978,328.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.