Home / 42,611,320.40-63,943,224.60-18,361,864.40

Finding the Fourth Proportional to 42,611,320.40, 63,943,224.60 and 18,361,864.40

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Solution

The fourth proportional to 42,611,320.40, 63,943,224.60 and 18,361,864.40 is: 27,554,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,611,320.40 : 63,943,224.60 = 18,361,864.40 : x
  2. Step 2: Convert to fraction form
    42,611,320.40/63,943,224.60 = 18,361,864.40/x
  3. Step 3: Cross multiply
    42,611,320.40x = 63,943,224.60 × 18,361,864.40
  4. Step 4: Simplify right side
    42,611,320.40x = 1,174,116,819,403,944.25
  5. Step 5: Solve for x
    x = 1,174,116,819,403,944.25/42,611,320.40
  6. Step 6: Final answer
    x = 27,554,105.54

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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.