Home / 57,911,872.56-86,878,488.12-19,052,511.60

Finding the Fourth Proportional to 57,911,872.56, 86,878,488.12 and 19,052,511.60

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Solution

The fourth proportional to 57,911,872.56, 86,878,488.12 and 19,052,511.60 is: 28,582,280.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,911,872.56 : 86,878,488.12 = 19,052,511.60 : x
  2. Step 2: Convert to fraction form
    57,911,872.56/86,878,488.12 = 19,052,511.60/x
  3. Step 3: Cross multiply
    57,911,872.56x = 86,878,488.12 × 19,052,511.60
  4. Step 4: Simplify right side
    57,911,872.56x = 1,655,253,402,696,762.50
  5. Step 5: Solve for x
    x = 1,655,253,402,696,762.50/57,911,872.56
  6. Step 6: Final answer
    x = 28,582,280.79

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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.