Home / 86,152,775.84-129,230,288.88-28,645,046.24

Finding the Fourth Proportional to 86,152,775.84, 129,230,288.88 and 28,645,046.24

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Solution

The fourth proportional to 86,152,775.84, 129,230,288.88 and 28,645,046.24 is: 42,967,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,152,775.84 : 129,230,288.88 = 28,645,046.24 : x
  2. Step 2: Convert to fraction form
    86,152,775.84/129,230,288.88 = 28,645,046.24/x
  3. Step 3: Cross multiply
    86,152,775.84x = 129,230,288.88 × 28,645,046.24
  4. Step 4: Simplify right side
    86,152,775.84x = 3,701,807,600,576,157.50
  5. Step 5: Solve for x
    x = 3,701,807,600,576,157.50/86,152,775.84
  6. Step 6: Final answer
    x = 42,967,943.45

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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.