Home / 86,152,494-129,229,866.62-28,644,765.16

Finding the Fourth Proportional to 86,152,494, 129,229,866.62 and 28,644,765.16

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Solution

The fourth proportional to 86,152,494, 129,229,866.62 and 28,644,765.16 is: 42,967,522.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,152,494 : 129,229,866.62 = 28,644,765.16 : x
  2. Step 2: Convert to fraction form
    86,152,494/129,229,866.62 = 28,644,765.16/x
  3. Step 3: Cross multiply
    86,152,494x = 129,229,866.62 × 28,644,765.16
  4. Step 4: Simplify right side
    86,152,494x = 3,701,759,180,988,023
  5. Step 5: Solve for x
    x = 3,701,759,180,988,023/86,152,494
  6. Step 6: Final answer
    x = 42,967,522.00

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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.