Home / 55,323,145.80-82,984,718.70-49,843,398.60

Finding the Fourth Proportional to 55,323,145.80, 82,984,718.70 and 49,843,398.60

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Solution

The fourth proportional to 55,323,145.80, 82,984,718.70 and 49,843,398.60 is: 74,765,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,323,145.80 : 82,984,718.70 = 49,843,398.60 : x
  2. Step 2: Convert to fraction form
    55,323,145.80/82,984,718.70 = 49,843,398.60/x
  3. Step 3: Cross multiply
    55,323,145.80x = 82,984,718.70 × 49,843,398.60
  4. Step 4: Simplify right side
    55,323,145.80x = 4,136,240,411,872,974
  5. Step 5: Solve for x
    x = 4,136,240,411,872,974/55,323,145.80
  6. Step 6: Final answer
    x = 74,765,097.90

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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.