Home / 112,078,277.20-168,117,415.80-61,059,941.20

Finding the Fourth Proportional to 112,078,277.20, 168,117,415.80 and 61,059,941.20

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Solution

The fourth proportional to 112,078,277.20, 168,117,415.80 and 61,059,941.20 is: 91,589,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,078,277.20 : 168,117,415.80 = 61,059,941.20 : x
  2. Step 2: Convert to fraction form
    112,078,277.20/168,117,415.80 = 61,059,941.20/x
  3. Step 3: Cross multiply
    112,078,277.20x = 168,117,415.80 × 61,059,941.20
  4. Step 4: Simplify right side
    112,078,277.20x = 10,265,239,523,443,952
  5. Step 5: Solve for x
    x = 10,265,239,523,443,952/112,078,277.20
  6. Step 6: Final answer
    x = 91,589,911.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.