Home / 117,936,178.72-162,655,669.20-99,024,731.68

Finding the Fourth Proportional to 117,936,178.72, 162,655,669.20 and 99,024,731.68

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Solution

The fourth proportional to 117,936,178.72, 162,655,669.20 and 99,024,731.68 is: 136,573,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,936,178.72 : 162,655,669.20 = 99,024,731.68 : x
  2. Step 2: Convert to fraction form
    117,936,178.72/162,655,669.20 = 99,024,731.68/x
  3. Step 3: Cross multiply
    117,936,178.72x = 162,655,669.20 × 99,024,731.68
  4. Step 4: Simplify right side
    117,936,178.72x = 16,106,933,998,760,840
  5. Step 5: Solve for x
    x = 16,106,933,998,760,840/117,936,178.72
  6. Step 6: Final answer
    x = 136,573,307.48

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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.