Home / 57,482,352.24-86,247,205.80-42,207,644.40

Finding the Fourth Proportional to 57,482,352.24, 86,247,205.80 and 42,207,644.40

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Solution

The fourth proportional to 57,482,352.24, 86,247,205.80 and 42,207,644.40 is: 63,328,852.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,482,352.24 : 86,247,205.80 = 42,207,644.40 : x
  2. Step 2: Convert to fraction form
    57,482,352.24/86,247,205.80 = 42,207,644.40/x
  3. Step 3: Cross multiply
    57,482,352.24x = 86,247,205.80 × 42,207,644.40
  4. Step 4: Simplify right side
    57,482,352.24x = 3,640,291,392,900,017.50
  5. Step 5: Solve for x
    x = 3,640,291,392,900,017.50/57,482,352.24
  6. Step 6: Final answer
    x = 63,328,852.27

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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.