Home / 65,684,929.65-90,643,605.18-36,315,505.77

Finding the Fourth Proportional to 65,684,929.65, 90,643,605.18 and 36,315,505.77

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Solution

The fourth proportional to 65,684,929.65, 90,643,605.18 and 36,315,505.77 is: 50,114,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,684,929.65 : 90,643,605.18 = 36,315,505.77 : x
  2. Step 2: Convert to fraction form
    65,684,929.65/90,643,605.18 = 36,315,505.77/x
  3. Step 3: Cross multiply
    65,684,929.65x = 90,643,605.18 × 36,315,505.77
  4. Step 4: Simplify right side
    65,684,929.65x = 3,291,768,366,927,892.50
  5. Step 5: Solve for x
    x = 3,291,768,366,927,892.50/65,684,929.65
  6. Step 6: Final answer
    x = 50,114,514.61

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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.