Home / 42,605,451-63,823,729.14-19,855,052.28

Finding the Fourth Proportional to 42,605,451, 63,823,729.14 and 19,855,052.28

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Solution

The fourth proportional to 42,605,451, 63,823,729.14 and 19,855,052.28 is: 29,743,224.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,605,451 : 63,823,729.14 = 19,855,052.28 : x
  2. Step 2: Convert to fraction form
    42,605,451/63,823,729.14 = 19,855,052.28/x
  3. Step 3: Cross multiply
    42,605,451x = 63,823,729.14 × 19,855,052.28
  4. Step 4: Simplify right side
    42,605,451x = 1,267,223,478,779,259.50
  5. Step 5: Solve for x
    x = 1,267,223,478,779,259.50/42,605,451
  6. Step 6: Final answer
    x = 29,743,224.14

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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.