Home / 82,569,579.80-123,948,848.10-48,510,116.60

Finding the Fourth Proportional to 82,569,579.80, 123,948,848.10 and 48,510,116.60

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Solution

The fourth proportional to 82,569,579.80, 123,948,848.10 and 48,510,116.60 is: 72,820,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,569,579.80 : 123,948,848.10 = 48,510,116.60 : x
  2. Step 2: Convert to fraction form
    82,569,579.80/123,948,848.10 = 48,510,116.60/x
  3. Step 3: Cross multiply
    82,569,579.80x = 123,948,848.10 × 48,510,116.60
  4. Step 4: Simplify right side
    82,569,579.80x = 6,012,773,073,766,688
  5. Step 5: Solve for x
    x = 6,012,773,073,766,688/82,569,579.80
  6. Step 6: Final answer
    x = 72,820,681.52

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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.