Home / 113,086,278.77-156,065,730.84-85,159,718.52

Finding the Fourth Proportional to 113,086,278.77, 156,065,730.84 and 85,159,718.52

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Solution

The fourth proportional to 113,086,278.77, 156,065,730.84 and 85,159,718.52 is: 117,525,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,086,278.77 : 156,065,730.84 = 85,159,718.52 : x
  2. Step 2: Convert to fraction form
    113,086,278.77/156,065,730.84 = 85,159,718.52/x
  3. Step 3: Cross multiply
    113,086,278.77x = 156,065,730.84 × 85,159,718.52
  4. Step 4: Simplify right side
    113,086,278.77x = 13,290,513,709,923,800
  5. Step 5: Solve for x
    x = 13,290,513,709,923,800/113,086,278.77
  6. Step 6: Final answer
    x = 117,525,431.50

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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.