Home / 124,828,763.60-187,243,145.40-76,455,822.80

Finding the Fourth Proportional to 124,828,763.60, 187,243,145.40 and 76,455,822.80

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Solution

The fourth proportional to 124,828,763.60, 187,243,145.40 and 76,455,822.80 is: 114,683,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,828,763.60 : 187,243,145.40 = 76,455,822.80 : x
  2. Step 2: Convert to fraction form
    124,828,763.60/187,243,145.40 = 76,455,822.80/x
  3. Step 3: Cross multiply
    124,828,763.60x = 187,243,145.40 × 76,455,822.80
  4. Step 4: Simplify right side
    124,828,763.60x = 14,315,828,745,217,036
  5. Step 5: Solve for x
    x = 14,315,828,745,217,036/124,828,763.60
  6. Step 6: Final answer
    x = 114,683,734.20

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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.