Home / 74,434,627.81-111,657,274.49-19,846,927.32

Finding the Fourth Proportional to 74,434,627.81, 111,657,274.49 and 19,846,927.32

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Solution

The fourth proportional to 74,434,627.81, 111,657,274.49 and 19,846,927.32 is: 29,771,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,434,627.81 : 111,657,274.49 = 19,846,927.32 : x
  2. Step 2: Convert to fraction form
    74,434,627.81/111,657,274.49 = 19,846,927.32/x
  3. Step 3: Cross multiply
    74,434,627.81x = 111,657,274.49 × 19,846,927.32
  4. Step 4: Simplify right side
    74,434,627.81x = 2,216,053,811,552,320
  5. Step 5: Solve for x
    x = 2,216,053,811,552,320/74,434,627.81
  6. Step 6: Final answer
    x = 29,771,812.89

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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.