Home / 117,954,554.08-162,778,039.68-65,746,899.40

Finding the Fourth Proportional to 117,954,554.08, 162,778,039.68 and 65,746,899.40

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Solution

The fourth proportional to 117,954,554.08, 162,778,039.68 and 65,746,899.40 is: 90,731,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,954,554.08 : 162,778,039.68 = 65,746,899.40 : x
  2. Step 2: Convert to fraction form
    117,954,554.08/162,778,039.68 = 65,746,899.40/x
  3. Step 3: Cross multiply
    117,954,554.08x = 162,778,039.68 × 65,746,899.40
  4. Step 4: Simplify right side
    117,954,554.08x = 10,702,151,399,370,168
  5. Step 5: Solve for x
    x = 10,702,151,399,370,168/117,954,554.08
  6. Step 6: Final answer
    x = 90,731,142.03

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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.