Home / 124,720,781.10-187,082,647.88-75,547,357.40

Finding the Fourth Proportional to 124,720,781.10, 187,082,647.88 and 75,547,357.40

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Solution

The fourth proportional to 124,720,781.10, 187,082,647.88 and 75,547,357.40 is: 113,321,930.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,720,781.10 : 187,082,647.88 = 75,547,357.40 : x
  2. Step 2: Convert to fraction form
    124,720,781.10/187,082,647.88 = 75,547,357.40/x
  3. Step 3: Cross multiply
    124,720,781.10x = 187,082,647.88 × 75,547,357.40
  4. Step 4: Simplify right side
    124,720,781.10x = 14,133,599,661,415,562
  5. Step 5: Solve for x
    x = 14,133,599,661,415,562/124,720,781.10
  6. Step 6: Final answer
    x = 113,321,930.29

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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.