Home / 77,327,875.28-106,709,599.32-42,518,494.64

Finding the Fourth Proportional to 77,327,875.28, 106,709,599.32 and 42,518,494.64

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Solution

The fourth proportional to 77,327,875.28, 106,709,599.32 and 42,518,494.64 is: 58,673,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,327,875.28 : 106,709,599.32 = 42,518,494.64 : x
  2. Step 2: Convert to fraction form
    77,327,875.28/106,709,599.32 = 42,518,494.64/x
  3. Step 3: Cross multiply
    77,327,875.28x = 106,709,599.32 × 42,518,494.64
  4. Step 4: Simplify right side
    77,327,875.28x = 4,537,131,526,723,967
  5. Step 5: Solve for x
    x = 4,537,131,526,723,967/77,327,875.28
  6. Step 6: Final answer
    x = 58,673,945.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.