Home / 272,017,068.72-375,242,129.64-172,727,939.76

Finding the Fourth Proportional to 272,017,068.72, 375,242,129.64 and 172,727,939.76

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Solution

The fourth proportional to 272,017,068.72, 375,242,129.64 and 172,727,939.76 is: 238,274,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,017,068.72 : 375,242,129.64 = 172,727,939.76 : x
  2. Step 2: Convert to fraction form
    272,017,068.72/375,242,129.64 = 172,727,939.76/x
  3. Step 3: Cross multiply
    272,017,068.72x = 375,242,129.64 × 172,727,939.76
  4. Step 4: Simplify right side
    272,017,068.72x = 64,814,799,963,872,024
  5. Step 5: Solve for x
    x = 64,814,799,963,872,024/272,017,068.72
  6. Step 6: Final answer
    x = 238,274,753.38

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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.