Home / 145,517,166.30-218,306,075.85-48,503,012.70

Finding the Fourth Proportional to 145,517,166.30, 218,306,075.85 and 48,503,012.70

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Solution

The fourth proportional to 145,517,166.30, 218,306,075.85 and 48,503,012.70 is: 72,764,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,517,166.30 : 218,306,075.85 = 48,503,012.70 : x
  2. Step 2: Convert to fraction form
    145,517,166.30/218,306,075.85 = 48,503,012.70/x
  3. Step 3: Cross multiply
    145,517,166.30x = 218,306,075.85 × 48,503,012.70
  4. Step 4: Simplify right side
    145,517,166.30x = 10,588,502,369,439,714
  5. Step 5: Solve for x
    x = 10,588,502,369,439,714/145,517,166.30
  6. Step 6: Final answer
    x = 72,764,627.29

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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.