Home / 87,114,140.80-130,734,196.80-48,734,915.20

Finding the Fourth Proportional to 87,114,140.80, 130,734,196.80 and 48,734,915.20

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Solution

The fourth proportional to 87,114,140.80, 130,734,196.80 and 48,734,915.20 is: 73,137,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,114,140.80 : 130,734,196.80 = 48,734,915.20 : x
  2. Step 2: Convert to fraction form
    87,114,140.80/130,734,196.80 = 48,734,915.20/x
  3. Step 3: Cross multiply
    87,114,140.80x = 130,734,196.80 × 48,734,915.20
  4. Step 4: Simplify right side
    87,114,140.80x = 6,371,319,994,788,112
  5. Step 5: Solve for x
    x = 6,371,319,994,788,112/87,114,140.80
  6. Step 6: Final answer
    x = 73,137,609.31

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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.