Home / 111,009,328.71-166,677,681.51-61,921,087.71

Finding the Fourth Proportional to 111,009,328.71, 166,677,681.51 and 61,921,087.71

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Solution

The fourth proportional to 111,009,328.71, 166,677,681.51 and 61,921,087.71 is: 92,972,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,009,328.71 : 166,677,681.51 = 61,921,087.71 : x
  2. Step 2: Convert to fraction form
    111,009,328.71/166,677,681.51 = 61,921,087.71/x
  3. Step 3: Cross multiply
    111,009,328.71x = 166,677,681.51 × 61,921,087.71
  4. Step 4: Simplify right side
    111,009,328.71x = 10,320,863,336,080,154
  5. Step 5: Solve for x
    x = 10,320,863,336,080,154/111,009,328.71
  6. Step 6: Final answer
    x = 92,972,937.10

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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.