Home / 71,016,798.88-98,070,867.18-67,147,852.81

Finding the Fourth Proportional to 71,016,798.88, 98,070,867.18 and 67,147,852.81

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Solution

The fourth proportional to 71,016,798.88, 98,070,867.18 and 67,147,852.81 is: 92,728,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016,798.88 : 98,070,867.18 = 67,147,852.81 : x
  2. Step 2: Convert to fraction form
    71,016,798.88/98,070,867.18 = 67,147,852.81/x
  3. Step 3: Cross multiply
    71,016,798.88x = 98,070,867.18 × 67,147,852.81
  4. Step 4: Simplify right side
    71,016,798.88x = 6,585,248,154,351,700
  5. Step 5: Solve for x
    x = 6,585,248,154,351,700/71,016,798.88
  6. Step 6: Final answer
    x = 92,728,034.19

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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.