Home / 85,886,916.54-128,911,090.41-44,975,720.22

Finding the Fourth Proportional to 85,886,916.54, 128,911,090.41 and 44,975,720.22

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Solution

The fourth proportional to 85,886,916.54, 128,911,090.41 and 44,975,720.22 is: 67,505,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,886,916.54 : 128,911,090.41 = 44,975,720.22 : x
  2. Step 2: Convert to fraction form
    85,886,916.54/128,911,090.41 = 44,975,720.22/x
  3. Step 3: Cross multiply
    85,886,916.54x = 128,911,090.41 × 44,975,720.22
  4. Step 4: Simplify right side
    85,886,916.54x = 5,797,869,135,535,285
  5. Step 5: Solve for x
    x = 5,797,869,135,535,285/85,886,916.54
  6. Step 6: Final answer
    x = 67,505,848.03

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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.