Home / 117,954,406.80-162,777,837.06-65,746,752.93

Finding the Fourth Proportional to 117,954,406.80, 162,777,837.06 and 65,746,752.93

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Solution

The fourth proportional to 117,954,406.80, 162,777,837.06 and 65,746,752.93 is: 90,730,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,954,406.80 : 162,777,837.06 = 65,746,752.93 : x
  2. Step 2: Convert to fraction form
    117,954,406.80/162,777,837.06 = 65,746,752.93/x
  3. Step 3: Cross multiply
    117,954,406.80x = 162,777,837.06 × 65,746,752.93
  4. Step 4: Simplify right side
    117,954,406.80x = 10,702,114,235,663,618
  5. Step 5: Solve for x
    x = 10,702,114,235,663,618/117,954,406.80
  6. Step 6: Final answer
    x = 90,730,940.25

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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.