Home / 102,840,479.65-154,224,847.19-45,301,362.58

Finding the Fourth Proportional to 102,840,479.65, 154,224,847.19 and 45,301,362.58

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Solution

The fourth proportional to 102,840,479.65, 154,224,847.19 and 45,301,362.58 is: 67,936,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,840,479.65 : 154,224,847.19 = 45,301,362.58 : x
  2. Step 2: Convert to fraction form
    102,840,479.65/154,224,847.19 = 45,301,362.58/x
  3. Step 3: Cross multiply
    102,840,479.65x = 154,224,847.19 × 45,301,362.58
  4. Step 4: Simplify right side
    102,840,479.65x = 6,986,595,721,705,318
  5. Step 5: Solve for x
    x = 6,986,595,721,705,318/102,840,479.65
  6. Step 6: Final answer
    x = 67,936,242.08

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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.