Home / 143,704,830.48-198,312,738.48-77,625,325.32

Finding the Fourth Proportional to 143,704,830.48, 198,312,738.48 and 77,625,325.32

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Solution

The fourth proportional to 143,704,830.48, 198,312,738.48 and 77,625,325.32 is: 107,122,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,704,830.48 : 198,312,738.48 = 77,625,325.32 : x
  2. Step 2: Convert to fraction form
    143,704,830.48/198,312,738.48 = 77,625,325.32/x
  3. Step 3: Cross multiply
    143,704,830.48x = 198,312,738.48 × 77,625,325.32
  4. Step 4: Simplify right side
    143,704,830.48x = 15,394,090,839,610,080
  5. Step 5: Solve for x
    x = 15,394,090,839,610,080/143,704,830.48
  6. Step 6: Final answer
    x = 107,122,988.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.