Home / 117,425,780.10-162,047,955.06-65,214,815.76

Finding the Fourth Proportional to 117,425,780.10, 162,047,955.06 and 65,214,815.76

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Solution

The fourth proportional to 117,425,780.10, 162,047,955.06 and 65,214,815.76 is: 89,996,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,425,780.10 : 162,047,955.06 = 65,214,815.76 : x
  2. Step 2: Convert to fraction form
    117,425,780.10/162,047,955.06 = 65,214,815.76/x
  3. Step 3: Cross multiply
    117,425,780.10x = 162,047,955.06 × 65,214,815.76
  4. Step 4: Simplify right side
    117,425,780.10x = 10,567,927,533,522,660
  5. Step 5: Solve for x
    x = 10,567,927,533,522,660/117,425,780.10
  6. Step 6: Final answer
    x = 89,996,655.97

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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.