Home / 137,649,821.64-189,960,937.68-97,487,768.88

Finding the Fourth Proportional to 137,649,821.64, 189,960,937.68 and 97,487,768.88

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Solution

The fourth proportional to 137,649,821.64, 189,960,937.68 and 97,487,768.88 is: 134,536,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,649,821.64 : 189,960,937.68 = 97,487,768.88 : x
  2. Step 2: Convert to fraction form
    137,649,821.64/189,960,937.68 = 97,487,768.88/x
  3. Step 3: Cross multiply
    137,649,821.64x = 189,960,937.68 × 97,487,768.88
  4. Step 4: Simplify right side
    137,649,821.64x = 18,518,867,988,775,924
  5. Step 5: Solve for x
    x = 18,518,867,988,775,924/137,649,821.64
  6. Step 6: Final answer
    x = 134,536,084.16

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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.