Home / 64,155,260.70-96,232,891.05-18,721,647.90

Finding the Fourth Proportional to 64,155,260.70, 96,232,891.05 and 18,721,647.90

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Solution

The fourth proportional to 64,155,260.70, 96,232,891.05 and 18,721,647.90 is: 28,082,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,155,260.70 : 96,232,891.05 = 18,721,647.90 : x
  2. Step 2: Convert to fraction form
    64,155,260.70/96,232,891.05 = 18,721,647.90/x
  3. Step 3: Cross multiply
    64,155,260.70x = 96,232,891.05 × 18,721,647.90
  4. Step 4: Simplify right side
    64,155,260.70x = 1,801,638,302,637,161
  5. Step 5: Solve for x
    x = 1,801,638,302,637,161/64,155,260.70
  6. Step 6: Final answer
    x = 28,082,471.85

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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.