Home / 109,837,618.40-151,565,895.59-65,175,894.97

Finding the Fourth Proportional to 109,837,618.40, 151,565,895.59 and 65,175,894.97

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Solution

The fourth proportional to 109,837,618.40, 151,565,895.59 and 65,175,894.97 is: 89,936,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,837,618.40 : 151,565,895.59 = 65,175,894.97 : x
  2. Step 2: Convert to fraction form
    109,837,618.40/151,565,895.59 = 65,175,894.97/x
  3. Step 3: Cross multiply
    109,837,618.40x = 151,565,895.59 × 65,175,894.97
  4. Step 4: Simplify right side
    109,837,618.40x = 9,878,442,891,303,032
  5. Step 5: Solve for x
    x = 9,878,442,891,303,032/109,837,618.40
  6. Step 6: Final answer
    x = 89,936,790.65

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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.