Home / 117,908,625.63-162,707,263.23-64,985,172.87

Finding the Fourth Proportional to 117,908,625.63, 162,707,263.23 and 64,985,172.87

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Solution

The fourth proportional to 117,908,625.63, 162,707,263.23 and 64,985,172.87 is: 89,675,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,908,625.63 : 162,707,263.23 = 64,985,172.87 : x
  2. Step 2: Convert to fraction form
    117,908,625.63/162,707,263.23 = 64,985,172.87/x
  3. Step 3: Cross multiply
    117,908,625.63x = 162,707,263.23 × 64,985,172.87
  4. Step 4: Simplify right side
    117,908,625.63x = 10,573,559,628,206,144
  5. Step 5: Solve for x
    x = 10,573,559,628,206,144/117,908,625.63
  6. Step 6: Final answer
    x = 89,675,878.86

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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.