Home / 65,661,755.90-90,611,642.66-35,891,068.14

Finding the Fourth Proportional to 65,661,755.90, 90,611,642.66 and 35,891,068.14

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Solution

The fourth proportional to 65,661,755.90, 90,611,642.66 and 35,891,068.14 is: 49,528,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,661,755.90 : 90,611,642.66 = 35,891,068.14 : x
  2. Step 2: Convert to fraction form
    65,661,755.90/90,611,642.66 = 35,891,068.14/x
  3. Step 3: Cross multiply
    65,661,755.90x = 90,611,642.66 × 35,891,068.14
  4. Step 4: Simplify right side
    65,661,755.90x = 3,252,148,640,807,935.50
  5. Step 5: Solve for x
    x = 3,252,148,640,807,935.50/65,661,755.90
  6. Step 6: Final answer
    x = 49,528,810.13

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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.