Home / 178,078,331.28-245,748,120.46-98,698,517.66

Finding the Fourth Proportional to 178,078,331.28, 245,748,120.46 and 98,698,517.66

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Solution

The fourth proportional to 178,078,331.28, 245,748,120.46 and 98,698,517.66 is: 136,203,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,078,331.28 : 245,748,120.46 = 98,698,517.66 : x
  2. Step 2: Convert to fraction form
    178,078,331.28/245,748,120.46 = 98,698,517.66/x
  3. Step 3: Cross multiply
    178,078,331.28x = 245,748,120.46 × 98,698,517.66
  4. Step 4: Simplify right side
    178,078,331.28x = 24,254,975,205,904,376
  5. Step 5: Solve for x
    x = 24,254,975,205,904,376/178,078,331.28
  6. Step 6: Final answer
    x = 136,203,967.28

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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.