Home / 31,100,547.70-46,650,821.60-19,791,133.30

Finding the Fourth Proportional to 31,100,547.70, 46,650,821.60 and 19,791,133.30

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Solution

The fourth proportional to 31,100,547.70, 46,650,821.60 and 19,791,133.30 is: 29,686,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100,547.70 : 46,650,821.60 = 19,791,133.30 : x
  2. Step 2: Convert to fraction form
    31,100,547.70/46,650,821.60 = 19,791,133.30/x
  3. Step 3: Cross multiply
    31,100,547.70x = 46,650,821.60 × 19,791,133.30
  4. Step 4: Simplify right side
    31,100,547.70x = 923,272,628,840,119.38
  5. Step 5: Solve for x
    x = 923,272,628,840,119.38/31,100,547.70
  6. Step 6: Final answer
    x = 29,686,699.98

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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.