Home / 85,417,102.96-117,887,329.74-52,371,508.12

Finding the Fourth Proportional to 85,417,102.96, 117,887,329.74 and 52,371,508.12

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Solution

The fourth proportional to 85,417,102.96, 117,887,329.74 and 52,371,508.12 is: 72,279,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,417,102.96 : 117,887,329.74 = 52,371,508.12 : x
  2. Step 2: Convert to fraction form
    85,417,102.96/117,887,329.74 = 52,371,508.12/x
  3. Step 3: Cross multiply
    85,417,102.96x = 117,887,329.74 × 52,371,508.12
  4. Step 4: Simplify right side
    85,417,102.96x = 6,173,937,246,723,527
  5. Step 5: Solve for x
    x = 6,173,937,246,723,527/85,417,102.96
  6. Step 6: Final answer
    x = 72,279,871.74

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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.