Home / 117,908,601.12-162,707,229.65-64,985,148.39

Finding the Fourth Proportional to 117,908,601.12, 162,707,229.65 and 64,985,148.39

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Solution

The fourth proportional to 117,908,601.12, 162,707,229.65 and 64,985,148.39 is: 89,675,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,908,601.12 : 162,707,229.65 = 64,985,148.39 : x
  2. Step 2: Convert to fraction form
    117,908,601.12/162,707,229.65 = 64,985,148.39/x
  3. Step 3: Cross multiply
    117,908,601.12x = 162,707,229.65 × 64,985,148.39
  4. Step 4: Simplify right side
    117,908,601.12x = 10,573,553,462,606,132
  5. Step 5: Solve for x
    x = 10,573,553,462,606,132/117,908,601.12
  6. Step 6: Final answer
    x = 89,675,845.21

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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.