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Finding the Fourth Proportional to 173,819,780.62, 260,689,222.02 and 64,696,342.88

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Solution

The fourth proportional to 173,819,780.62, 260,689,222.02 and 64,696,342.88 is: 97,029,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,819,780.62 : 260,689,222.02 = 64,696,342.88 : x
  2. Step 2: Convert to fraction form
    173,819,780.62/260,689,222.02 = 64,696,342.88/x
  3. Step 3: Cross multiply
    173,819,780.62x = 260,689,222.02 × 64,696,342.88
  4. Step 4: Simplify right side
    173,819,780.62x = 16,865,639,293,821,348
  5. Step 5: Solve for x
    x = 16,865,639,293,821,348/173,819,780.62
  6. Step 6: Final answer
    x = 97,029,459.10

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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.