Home / 65,524,382.76-90,423,542.10-36,155,693.16

Finding the Fourth Proportional to 65,524,382.76, 90,423,542.10 and 36,155,693.16

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Solution

The fourth proportional to 65,524,382.76, 90,423,542.10 and 36,155,693.16 is: 49,894,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,524,382.76 : 90,423,542.10 = 36,155,693.16 : x
  2. Step 2: Convert to fraction form
    65,524,382.76/90,423,542.10 = 36,155,693.16/x
  3. Step 3: Cross multiply
    65,524,382.76x = 90,423,542.10 × 36,155,693.16
  4. Step 4: Simplify right side
    65,524,382.76x = 3,269,325,842,607,941.50
  5. Step 5: Solve for x
    x = 3,269,325,842,607,941.50/65,524,382.76
  6. Step 6: Final answer
    x = 49,894,798.01

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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.