Home / 64,155,529.20-96,233,293.80-18,721,916.40

Finding the Fourth Proportional to 64,155,529.20, 96,233,293.80 and 18,721,916.40

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Solution

The fourth proportional to 64,155,529.20, 96,233,293.80 and 18,721,916.40 is: 28,082,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,155,529.20 : 96,233,293.80 = 18,721,916.40 : x
  2. Step 2: Convert to fraction form
    64,155,529.20/96,233,293.80 = 18,721,916.40/x
  3. Step 3: Cross multiply
    64,155,529.20x = 96,233,293.80 × 18,721,916.40
  4. Step 4: Simplify right side
    64,155,529.20x = 1,801,671,681,420,238
  5. Step 5: Solve for x
    x = 1,801,671,681,420,238/64,155,529.20
  6. Step 6: Final answer
    x = 28,082,874.60

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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.