Home / 65,518,014.99-90,417,595.28-36,151,252.59

Finding the Fourth Proportional to 65,518,014.99, 90,417,595.28 and 36,151,252.59

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Solution

The fourth proportional to 65,518,014.99, 90,417,595.28 and 36,151,252.59 is: 49,890,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,518,014.99 : 90,417,595.28 = 36,151,252.59 : x
  2. Step 2: Convert to fraction form
    65,518,014.99/90,417,595.28 = 36,151,252.59/x
  3. Step 3: Cross multiply
    65,518,014.99x = 90,417,595.28 × 36,151,252.59
  4. Step 4: Simplify right side
    65,518,014.99x = 3,268,709,325,366,916
  5. Step 5: Solve for x
    x = 3,268,709,325,366,916/65,518,014.99
  6. Step 6: Final answer
    x = 49,890,237.45

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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.