Home / 67,829,762.46-101,745,258.78-19,307,597.18

Finding the Fourth Proportional to 67,829,762.46, 101,745,258.78 and 19,307,597.18

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Solution

The fourth proportional to 67,829,762.46, 101,745,258.78 and 19,307,597.18 is: 28,961,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,829,762.46 : 101,745,258.78 = 19,307,597.18 : x
  2. Step 2: Convert to fraction form
    67,829,762.46/101,745,258.78 = 19,307,597.18/x
  3. Step 3: Cross multiply
    67,829,762.46x = 101,745,258.78 × 19,307,597.18
  4. Step 4: Simplify right side
    67,829,762.46x = 1,964,456,470,990,372
  5. Step 5: Solve for x
    x = 1,964,456,470,990,372/67,829,762.46
  6. Step 6: Final answer
    x = 28,961,570.85

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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.